prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Skill consumers should not be able to send Activities to skills without a recipient (Python)
  See [parent](https://github.com/microsoft/botframework-sdk/issues/5785).
  
  Issue may be specific to dotnet, need to verify if this is the case.
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `libraries/botbuilder-integration-aiohttp/botbuilder/integration/aiohttp/bot_framework_http_client.py`
  Content:
  ```
  1 # Copyright (c) Microsoft Corporation. All rights reserved.
  2 # Licensed under the MIT License.
  3 # pylint: disable=no-member
  4 
  5 import json
  6 from typing import Dict
  7 from logging import Logger
  8 
  9 import aiohttp
  10 from botbuilder.core import InvokeResponse
  11 from botbuilder.core.skills import BotFrameworkClient
  12 from botbuilder.schema import (
  13     Activity,
  14     ExpectedReplies,
  15     ConversationReference,
  16     ConversationAccount,
  17 )
  18 from botframework.connector.auth import (
  19     ChannelProvider,
  20     CredentialProvider,
  21     MicrosoftAppCredentials,
  22     AppCredentials,
  23     MicrosoftGovernmentAppCredentials,
  24 )
  25 
  26 
  27 class BotFrameworkHttpClient(BotFrameworkClient):
  28 
  29     """
  30     A skill host adapter implements API to forward activity to a skill and
  31     implements routing ChannelAPI calls from the Skill up through the bot/adapter.
  32     """
  33 
  34     INVOKE_ACTIVITY_NAME = "SkillEvents.ChannelApiInvoke"
  35     _BOT_IDENTITY_KEY = "BotIdentity"
  36     _APP_CREDENTIALS_CACHE: Dict[str, MicrosoftAppCredentials] = {}
  37 
  38     def __init__(
  39         self,
  40         credential_provider: CredentialProvider,
  41         channel_provider: ChannelProvider = None,
  42         logger: Logger = None,
  43     ):
  44         if not credential_provider:
  45             raise TypeError("credential_provider can't be None")
  46 
  47         self._credential_provider = credential_provider
  48         self._channel_provider = channel_provider
  49         self._logger = logger
  50         self._session = aiohttp.ClientSession()
  51 
  52     async def post_activity(
  53         self,
  54         from_bot_id: str,
  55         to_bot_id: str,
  56         to_url: str,
  57         service_url: str,
  58         conversation_id: str,
  59         activity: Activity,
  60     ) -> InvokeResponse:
  61         app_credentials = await self._get_app_credentials(from_bot_id, to_bot_id)
  62 
  63         if not app_credentials:
  64             raise KeyError("Unable to get appCredentials to connect to the skill")
  65 
  66         # Get token for the skill call
  67         token = (
  68             app_credentials.get_access_token()
  69             if app_credentials.microsoft_app_id
  70             else None
  71         )
  72 
  73         # Capture current activity settings before changing them.
  74         original_conversation_id = activity.conversation.id
  75         original_service_url = activity.service_url
  76         original_relates_to = activity.relates_to
  77 
  78         try:
  79             activity.relates_to = ConversationReference(
  80                 service_url=activity.service_url,
  81                 activity_id=activity.id,
  82                 channel_id=activity.channel_id,
  83                 conversation=ConversationAccount(
  84                     id=activity.conversation.id,
  85                     name=activity.conversation.name,
  86                     conversation_type=activity.conversation.conversation_type,
  87                     aad_object_id=activity.conversation.aad_object_id,
  88                     is_group=activity.conversation.is_group,
  89                     role=activity.conversation.role,
  90                     tenant_id=activity.conversation.tenant_id,
  91                     properties=activity.conversation.properties,
  92                 ),
  93                 bot=None,
  94             )
  95             activity.conversation.id = conversation_id
  96             activity.service_url = service_url
  97 
  98             headers_dict = {
  99                 "Content-type": "application/json; charset=utf-8",
  100             }
  101             if token:
  102                 headers_dict.update(
  103                     {"Authorization": f"Bearer {token}",}
  104                 )
  105 
  106             json_content = json.dumps(activity.serialize())
  107             resp = await self._session.post(
  108                 to_url, data=json_content.encode("utf-8"), headers=headers_dict,
  109             )
  110             resp.raise_for_status()
  111             data = (await resp.read()).decode()
  112             content = json.loads(data) if data else None
  113 
  114             return InvokeResponse(status=resp.status, body=content)
  115 
  116         finally:
  117             # Restore activity properties.
  118             activity.conversation.id = original_conversation_id
  119             activity.service_url = original_service_url
  120             activity.relates_to = original_relates_to
  121 
  122     async def post_buffered_activity(
  123         self,
  124         from_bot_id: str,
  125         to_bot_id: str,
  126         to_url: str,
  127         service_url: str,
  128         conversation_id: str,
  129         activity: Activity,
  130     ) -> [Activity]:
  131         """
  132         Helper method to return a list of activities when an Activity is being
  133         sent with DeliveryMode == expectReplies.
  134         """
  135         response = await self.post_activity(
  136             from_bot_id, to_bot_id, to_url, service_url, conversation_id, activity
  137         )
  138         if not response or (response.status / 100) != 2:
  139             return []
  140         return ExpectedReplies().deserialize(response.body).activities
  141 
  142     async def _get_app_credentials(
  143         self, app_id: str, oauth_scope: str
  144     ) -> AppCredentials:
  145         if not app_id:
  146             return MicrosoftAppCredentials.empty()
  147 
  148         # in the cache?
  149         cache_key = f"{app_id}{oauth_scope}"
  150         app_credentials = BotFrameworkHttpClient._APP_CREDENTIALS_CACHE.get(cache_key)
  151         if app_credentials:
  152             return app_credentials
  153 
  154         # create a new AppCredentials
  155         app_password = await self._credential_provider.get_app_password(app_id)
  156 
  157         app_credentials = (
  158             MicrosoftGovernmentAppCredentials(app_id, app_password, scope=oauth_scope)
  159             if self._credential_provider and self._channel_provider.is_government()
  160             else MicrosoftAppCredentials(app_id, app_password, oauth_scope=oauth_scope)
  161         )
  162 
  163         # put it in the cache
  164         BotFrameworkHttpClient._APP_CREDENTIALS_CACHE[cache_key] = app_credentials
  165 
  166         return app_credentials
  167
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/libraries/botbuilder-integration-aiohttp/botbuilder/integration/aiohttp/bot_framework_http_client.py b/libraries/botbuilder-integration-aiohttp/botbuilder/integration/aiohttp/bot_framework_http_client.py
  --- a/libraries/botbuilder-integration-aiohttp/botbuilder/integration/aiohttp/bot_framework_http_client.py
  +++ b/libraries/botbuilder-integration-aiohttp/botbuilder/integration/aiohttp/bot_framework_http_client.py
  @@ -14,6 +14,7 @@
       ExpectedReplies,
       ConversationReference,
       ConversationAccount,
  +    ChannelAccount,
   )
   from botframework.connector.auth import (
       ChannelProvider,
  @@ -74,6 +75,7 @@
           original_conversation_id = activity.conversation.id
           original_service_url = activity.service_url
           original_relates_to = activity.relates_to
  +        original_recipient = activity.recipient
   
           try:
               activity.relates_to = ConversationReference(
  @@ -94,30 +96,38 @@
               )
               activity.conversation.id = conversation_id
               activity.service_url = service_url
  +            if not activity.recipient:
  +                activity.recipient = ChannelAccount()
   
  -            headers_dict = {
  -                "Content-type": "application/json; charset=utf-8",
  -            }
  -            if token:
  -                headers_dict.update(
  -                    {"Authorization": f"Bearer {token}",}
  -                )
  -
  -            json_content = json.dumps(activity.serialize())
  -            resp = await self._session.post(
  -                to_url, data=json_content.encode("utf-8"), headers=headers_dict,
  -            )
  -            resp.raise_for_status()
  -            data = (await resp.read()).decode()
  -            content = json.loads(data) if data else None
  +            status, content = await self._post_content(to_url, token, activity)
   
  -            return InvokeResponse(status=resp.status, body=content)
  +            return InvokeResponse(status=status, body=content)
   
           finally:
               # Restore activity properties.
               activity.conversation.id = original_conversation_id
               activity.service_url = original_service_url
               activity.relates_to = original_relates_to
  +            activity.recipient = original_recipient
  +
  +    async def _post_content(
  +        self, to_url: str, token: str, activity: Activity
  +    ) -> (int, object):
  +        headers_dict = {
  +            "Content-type": "application/json; charset=utf-8",
  +        }
  +        if token:
  +            headers_dict.update(
  +                {"Authorization": f"Bearer {token}",}
  +            )
  +
  +        json_content = json.dumps(activity.serialize())
  +        resp = await self._session.post(
  +            to_url, data=json_content.encode("utf-8"), headers=headers_dict,
  +        )
  +        resp.raise_for_status()
  +        data = (await resp.read()).decode()
  +        return resp.status, json.loads(data) if data else None
   
       async def post_buffered_activity(
           self,
  
verification_info: {"golden_diff": "diff --git a/libraries/botbuilder-integration-aiohttp/botbuilder/integration/aiohttp/bot_framework_http_client.py b/libraries/botbuilder-integration-aiohttp/botbuilder/integration/aiohttp/bot_framework_http_client.py\n--- a/libraries/botbuilder-integration-aiohttp/botbuilder/integration/aiohttp/bot_framework_http_client.py\n+++ b/libraries/botbuilder-integration-aiohttp/botbuilder/integration/aiohttp/bot_framework_http_client.py\n@@ -14,6 +14,7 @@\n     ExpectedReplies,\n     ConversationReference,\n     ConversationAccount,\n+    ChannelAccount,\n )\n from botframework.connector.auth import (\n     ChannelProvider,\n@@ -74,6 +75,7 @@\n         original_conversation_id = activity.conversation.id\n         original_service_url = activity.service_url\n         original_relates_to = activity.relates_to\n+        original_recipient = activity.recipient\n \n         try:\n             activity.relates_to = ConversationReference(\n@@ -94,30 +96,38 @@\n             )\n             activity.conversation.id = conversation_id\n             activity.service_url = service_url\n+            if not activity.recipient:\n+                activity.recipient = ChannelAccount()\n \n-            headers_dict = {\n-                \"Content-type\": \"application/json; charset=utf-8\",\n-            }\n-            if token:\n-                headers_dict.update(\n-                    {\"Authorization\": f\"Bearer {token}\",}\n-                )\n-\n-            json_content = json.dumps(activity.serialize())\n-            resp = await self._session.post(\n-                to_url, data=json_content.encode(\"utf-8\"), headers=headers_dict,\n-            )\n-            resp.raise_for_status()\n-            data = (await resp.read()).decode()\n-            content = json.loads(data) if data else None\n+            status, content = await self._post_content(to_url, token, activity)\n \n-            return InvokeResponse(status=resp.status, body=content)\n+            return InvokeResponse(status=status, body=content)\n \n         finally:\n             # Restore activity properties.\n             activity.conversation.id = original_conversation_id\n             activity.service_url = original_service_url\n             activity.relates_to = original_relates_to\n+            activity.recipient = original_recipient\n+\n+    async def _post_content(\n+        self, to_url: str, token: str, activity: Activity\n+    ) -> (int, object):\n+        headers_dict = {\n+            \"Content-type\": \"application/json; charset=utf-8\",\n+        }\n+        if token:\n+            headers_dict.update(\n+                {\"Authorization\": f\"Bearer {token}\",}\n+            )\n+\n+        json_content = json.dumps(activity.serialize())\n+        resp = await self._session.post(\n+            to_url, data=json_content.encode(\"utf-8\"), headers=headers_dict,\n+        )\n+        resp.raise_for_status()\n+        data = (await resp.read()).decode()\n+        return resp.status, json.loads(data) if data else None\n \n     async def post_buffered_activity(\n         self,\n", "issue": "Skill consumers should not be able to send Activities to skills without a recipient (Python)\nSee [parent](https://github.com/microsoft/botframework-sdk/issues/5785).\r\n\r\nIssue may be specific to dotnet, need to verify if this is the case.\n", "before_files": [{"content": "# Copyright (c) Microsoft Corporation. All rights reserved.\n# Licensed under the MIT License.\n# pylint: disable=no-member\n\nimport json\nfrom typing import Dict\nfrom logging import Logger\n\nimport aiohttp\nfrom botbuilder.core import InvokeResponse\nfrom botbuilder.core.skills import BotFrameworkClient\nfrom botbuilder.schema import (\n    Activity,\n    ExpectedReplies,\n    ConversationReference,\n    ConversationAccount,\n)\nfrom botframework.connector.auth import (\n    ChannelProvider,\n    CredentialProvider,\n    MicrosoftAppCredentials,\n    AppCredentials,\n    MicrosoftGovernmentAppCredentials,\n)\n\n\nclass BotFrameworkHttpClient(BotFrameworkClient):\n\n    \"\"\"\n    A skill host adapter implements API to forward activity to a skill and\n    implements routing ChannelAPI calls from the Skill up through the bot/adapter.\n    \"\"\"\n\n    INVOKE_ACTIVITY_NAME = \"SkillEvents.ChannelApiInvoke\"\n    _BOT_IDENTITY_KEY = \"BotIdentity\"\n    _APP_CREDENTIALS_CACHE: Dict[str, MicrosoftAppCredentials] = {}\n\n    def __init__(\n        self,\n        credential_provider: CredentialProvider,\n        channel_provider: ChannelProvider = None,\n        logger: Logger = None,\n    ):\n        if not credential_provider:\n            raise TypeError(\"credential_provider can't be None\")\n\n        self._credential_provider = credential_provider\n        self._channel_provider = channel_provider\n        self._logger = logger\n        self._session = aiohttp.ClientSession()\n\n    async def post_activity(\n        self,\n        from_bot_id: str,\n        to_bot_id: str,\n        to_url: str,\n        service_url: str,\n        conversation_id: str,\n        activity: Activity,\n    ) -> InvokeResponse:\n        app_credentials = await self._get_app_credentials(from_bot_id, to_bot_id)\n\n        if not app_credentials:\n            raise KeyError(\"Unable to get appCredentials to connect to the skill\")\n\n        # Get token for the skill call\n        token = (\n            app_credentials.get_access_token()\n            if app_credentials.microsoft_app_id\n            else None\n        )\n\n        # Capture current activity settings before changing them.\n        original_conversation_id = activity.conversation.id\n        original_service_url = activity.service_url\n        original_relates_to = activity.relates_to\n\n        try:\n            activity.relates_to = ConversationReference(\n                service_url=activity.service_url,\n                activity_id=activity.id,\n                channel_id=activity.channel_id,\n                conversation=ConversationAccount(\n                    id=activity.conversation.id,\n                    name=activity.conversation.name,\n                    conversation_type=activity.conversation.conversation_type,\n                    aad_object_id=activity.conversation.aad_object_id,\n                    is_group=activity.conversation.is_group,\n                    role=activity.conversation.role,\n                    tenant_id=activity.conversation.tenant_id,\n                    properties=activity.conversation.properties,\n                ),\n                bot=None,\n            )\n            activity.conversation.id = conversation_id\n            activity.service_url = service_url\n\n            headers_dict = {\n                \"Content-type\": \"application/json; charset=utf-8\",\n            }\n            if token:\n                headers_dict.update(\n                    {\"Authorization\": f\"Bearer {token}\",}\n                )\n\n            json_content = json.dumps(activity.serialize())\n            resp = await self._session.post(\n                to_url, data=json_content.encode(\"utf-8\"), headers=headers_dict,\n            )\n            resp.raise_for_status()\n            data = (await resp.read()).decode()\n            content = json.loads(data) if data else None\n\n            return InvokeResponse(status=resp.status, body=content)\n\n        finally:\n            # Restore activity properties.\n            activity.conversation.id = original_conversation_id\n            activity.service_url = original_service_url\n            activity.relates_to = original_relates_to\n\n    async def post_buffered_activity(\n        self,\n        from_bot_id: str,\n        to_bot_id: str,\n        to_url: str,\n        service_url: str,\n        conversation_id: str,\n        activity: Activity,\n    ) -> [Activity]:\n        \"\"\"\n        Helper method to return a list of activities when an Activity is being\n        sent with DeliveryMode == expectReplies.\n        \"\"\"\n        response = await self.post_activity(\n            from_bot_id, to_bot_id, to_url, service_url, conversation_id, activity\n        )\n        if not response or (response.status / 100) != 2:\n            return []\n        return ExpectedReplies().deserialize(response.body).activities\n\n    async def _get_app_credentials(\n        self, app_id: str, oauth_scope: str\n    ) -> AppCredentials:\n        if not app_id:\n            return MicrosoftAppCredentials.empty()\n\n        # in the cache?\n        cache_key = f\"{app_id}{oauth_scope}\"\n        app_credentials = BotFrameworkHttpClient._APP_CREDENTIALS_CACHE.get(cache_key)\n        if app_credentials:\n            return app_credentials\n\n        # create a new AppCredentials\n        app_password = await self._credential_provider.get_app_password(app_id)\n\n        app_credentials = (\n            MicrosoftGovernmentAppCredentials(app_id, app_password, scope=oauth_scope)\n            if self._credential_provider and self._channel_provider.is_government()\n            else MicrosoftAppCredentials(app_id, app_password, oauth_scope=oauth_scope)\n        )\n\n        # put it in the cache\n        BotFrameworkHttpClient._APP_CREDENTIALS_CACHE[cache_key] = app_credentials\n\n        return app_credentials\n", "path": "libraries/botbuilder-integration-aiohttp/botbuilder/integration/aiohttp/bot_framework_http_client.py"}], "after_files": [{"content": "# Copyright (c) Microsoft Corporation. All rights reserved.\n# Licensed under the MIT License.\n# pylint: disable=no-member\n\nimport json\nfrom typing import Dict\nfrom logging import Logger\n\nimport aiohttp\nfrom botbuilder.core import InvokeResponse\nfrom botbuilder.core.skills import BotFrameworkClient\nfrom botbuilder.schema import (\n    Activity,\n    ExpectedReplies,\n    ConversationReference,\n    ConversationAccount,\n    ChannelAccount,\n)\nfrom botframework.connector.auth import (\n    ChannelProvider,\n    CredentialProvider,\n    MicrosoftAppCredentials,\n    AppCredentials,\n    MicrosoftGovernmentAppCredentials,\n)\n\n\nclass BotFrameworkHttpClient(BotFrameworkClient):\n\n    \"\"\"\n    A skill host adapter implements API to forward activity to a skill and\n    implements routing ChannelAPI calls from the Skill up through the bot/adapter.\n    \"\"\"\n\n    INVOKE_ACTIVITY_NAME = \"SkillEvents.ChannelApiInvoke\"\n    _BOT_IDENTITY_KEY = \"BotIdentity\"\n    _APP_CREDENTIALS_CACHE: Dict[str, MicrosoftAppCredentials] = {}\n\n    def __init__(\n        self,\n        credential_provider: CredentialProvider,\n        channel_provider: ChannelProvider = None,\n        logger: Logger = None,\n    ):\n        if not credential_provider:\n            raise TypeError(\"credential_provider can't be None\")\n\n        self._credential_provider = credential_provider\n        self._channel_provider = channel_provider\n        self._logger = logger\n        self._session = aiohttp.ClientSession()\n\n    async def post_activity(\n        self,\n        from_bot_id: str,\n        to_bot_id: str,\n        to_url: str,\n        service_url: str,\n        conversation_id: str,\n        activity: Activity,\n    ) -> InvokeResponse:\n        app_credentials = await self._get_app_credentials(from_bot_id, to_bot_id)\n\n        if not app_credentials:\n            raise KeyError(\"Unable to get appCredentials to connect to the skill\")\n\n        # Get token for the skill call\n        token = (\n            app_credentials.get_access_token()\n            if app_credentials.microsoft_app_id\n            else None\n        )\n\n        # Capture current activity settings before changing them.\n        original_conversation_id = activity.conversation.id\n        original_service_url = activity.service_url\n        original_relates_to = activity.relates_to\n        original_recipient = activity.recipient\n\n        try:\n            activity.relates_to = ConversationReference(\n                service_url=activity.service_url,\n                activity_id=activity.id,\n                channel_id=activity.channel_id,\n                conversation=ConversationAccount(\n                    id=activity.conversation.id,\n                    name=activity.conversation.name,\n                    conversation_type=activity.conversation.conversation_type,\n                    aad_object_id=activity.conversation.aad_object_id,\n                    is_group=activity.conversation.is_group,\n                    role=activity.conversation.role,\n                    tenant_id=activity.conversation.tenant_id,\n                    properties=activity.conversation.properties,\n                ),\n                bot=None,\n            )\n            activity.conversation.id = conversation_id\n            activity.service_url = service_url\n            if not activity.recipient:\n                activity.recipient = ChannelAccount()\n\n            status, content = await self._post_content(to_url, token, activity)\n\n            return InvokeResponse(status=status, body=content)\n\n        finally:\n            # Restore activity properties.\n            activity.conversation.id = original_conversation_id\n            activity.service_url = original_service_url\n            activity.relates_to = original_relates_to\n            activity.recipient = original_recipient\n\n    async def _post_content(\n        self, to_url: str, token: str, activity: Activity\n    ) -> (int, object):\n        headers_dict = {\n            \"Content-type\": \"application/json; charset=utf-8\",\n        }\n        if token:\n            headers_dict.update(\n                {\"Authorization\": f\"Bearer {token}\",}\n            )\n\n        json_content = json.dumps(activity.serialize())\n        resp = await self._session.post(\n            to_url, data=json_content.encode(\"utf-8\"), headers=headers_dict,\n        )\n        resp.raise_for_status()\n        data = (await resp.read()).decode()\n        return resp.status, json.loads(data) if data else None\n\n    async def post_buffered_activity(\n        self,\n        from_bot_id: str,\n        to_bot_id: str,\n        to_url: str,\n        service_url: str,\n        conversation_id: str,\n        activity: Activity,\n    ) -> [Activity]:\n        \"\"\"\n        Helper method to return a list of activities when an Activity is being\n        sent with DeliveryMode == expectReplies.\n        \"\"\"\n        response = await self.post_activity(\n            from_bot_id, to_bot_id, to_url, service_url, conversation_id, activity\n        )\n        if not response or (response.status / 100) != 2:\n            return []\n        return ExpectedReplies().deserialize(response.body).activities\n\n    async def _get_app_credentials(\n        self, app_id: str, oauth_scope: str\n    ) -> AppCredentials:\n        if not app_id:\n            return MicrosoftAppCredentials.empty()\n\n        # in the cache?\n        cache_key = f\"{app_id}{oauth_scope}\"\n        app_credentials = BotFrameworkHttpClient._APP_CREDENTIALS_CACHE.get(cache_key)\n        if app_credentials:\n            return app_credentials\n\n        # create a new AppCredentials\n        app_password = await self._credential_provider.get_app_password(app_id)\n\n        app_credentials = (\n            MicrosoftGovernmentAppCredentials(app_id, app_password, scope=oauth_scope)\n            if self._credential_provider and self._channel_provider.is_government()\n            else MicrosoftAppCredentials(app_id, app_password, oauth_scope=oauth_scope)\n        )\n\n        # put it in the cache\n        BotFrameworkHttpClient._APP_CREDENTIALS_CACHE[cache_key] = app_credentials\n\n        return app_credentials\n", "path": "libraries/botbuilder-integration-aiohttp/botbuilder/integration/aiohttp/bot_framework_http_client.py"}]}