We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
DEBUG outputs won't get forwarded


--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `playwright/main.py`
Content:
```
1 # Copyright (c) Microsoft Corporation.
2 #
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
6 #
7 # http://www.apache.org/licenses/LICENSE-2.0
8 #
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
14 
15 import asyncio
16 import subprocess
17 import sys
18 from typing import Any
19 
20 from greenlet import greenlet
21 
22 from playwright.async_api import Playwright as AsyncPlaywright
23 from playwright.connection import Connection
24 from playwright.helper import Error
25 from playwright.object_factory import create_remote_object
26 from playwright.path_utils import get_file_dirname
27 from playwright.playwright import Playwright
28 from playwright.sync_api import Playwright as SyncPlaywright
29 from playwright.sync_base import dispatcher_fiber, set_dispatcher_fiber
30 
31 
32 def compute_driver_name() -> str:
33     platform = sys.platform
34     if platform == "darwin":
35         result = "driver-macos"
36     elif platform == "linux":
37         result = "driver-linux"
38     elif platform == "win32":
39         result = "driver-win.exe"
40     return result
41 
42 
43 async def run_driver_async() -> Connection:
44     package_path = get_file_dirname()
45     driver_name = compute_driver_name()
46     driver_executable = package_path / "drivers" / driver_name
47 
48     proc = await asyncio.create_subprocess_exec(
49         str(driver_executable),
50         stdin=asyncio.subprocess.PIPE,
51         stdout=asyncio.subprocess.PIPE,
52         stderr=asyncio.subprocess.PIPE,
53         limit=32768,
54     )
55     assert proc.stdout
56     assert proc.stdin
57     connection = Connection(
58         proc.stdout, proc.stdin, create_remote_object, asyncio.get_event_loop()
59     )
60     return connection
61 
62 
63 def run_driver() -> Connection:
64     loop = asyncio.get_event_loop()
65     if loop.is_running():
66         raise Error("Can only run one Playwright at a time.")
67     return loop.run_until_complete(run_driver_async())
68 
69 
70 class SyncPlaywrightContextManager:
71     def __init__(self) -> None:
72         self._connection = run_driver()
73         self._playwright: SyncPlaywright
74 
75     def __enter__(self) -> SyncPlaywright:
76         g_self = greenlet.getcurrent()
77 
78         def callback_wrapper(playwright_impl: Playwright) -> None:
79             self._playwright = SyncPlaywright(playwright_impl)
80             g_self.switch()
81 
82         self._connection.call_on_object_with_known_name("Playwright", callback_wrapper)
83         set_dispatcher_fiber(greenlet(lambda: self._connection.run_sync()))
84         dispatcher_fiber().switch()
85         return self._playwright
86 
87     def __exit__(self, exc_type: Any, exc_val: Any, exc_tb: Any) -> None:
88         self._connection.stop_sync()
89 
90 
91 class AsyncPlaywrightContextManager:
92     def __init__(self) -> None:
93         self._connection: Connection
94 
95     async def __aenter__(self) -> AsyncPlaywright:
96         self._connection = await run_driver_async()
97         self._connection.run_async()
98         return AsyncPlaywright(
99             await self._connection.wait_for_object_with_known_name("Playwright")
100         )
101 
102     async def __aexit__(self, exc_type: Any, exc_val: Any, exc_tb: Any) -> None:
103         self._connection.stop_async()
104 
105 
106 if sys.platform == "win32":
107     # Use ProactorEventLoop in 3.7, which is default in 3.8
108     loop = asyncio.ProactorEventLoop()
109     asyncio.set_event_loop(loop)
110 
111 
112 def main() -> None:
113     if "install" not in sys.argv:
114         print('Run "python -m playwright install" to complete installation')
115         return
116     package_path = get_file_dirname()
117     driver_name = compute_driver_name()
118     driver_executable = package_path / "drivers" / driver_name
119     print("Installing the browsers...")
120     subprocess.check_call(f"{driver_executable} install", shell=True)
121 
122     print("Playwright is now ready for use")
123
```
--- 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()

```

diff --git a/playwright/main.py b/playwright/main.py
--- a/playwright/main.py
+++ b/playwright/main.py
@@ -49,7 +49,7 @@
         str(driver_executable),
         stdin=asyncio.subprocess.PIPE,
         stdout=asyncio.subprocess.PIPE,
-        stderr=asyncio.subprocess.PIPE,
+        stderr=sys.stderr,
         limit=32768,
     )
     assert proc.stdout

{"golden_diff": "diff --git a/playwright/main.py b/playwright/main.py\n--- a/playwright/main.py\n+++ b/playwright/main.py\n@@ -49,7 +49,7 @@\n         str(driver_executable),\n         stdin=asyncio.subprocess.PIPE,\n         stdout=asyncio.subprocess.PIPE,\n-        stderr=asyncio.subprocess.PIPE,\n+        stderr=sys.stderr,\n         limit=32768,\n     )\n     assert proc.stdout\n", "issue": "DEBUG outputs won't get forwarded\n\n", "before_files": [{"content": "# Copyright (c) Microsoft Corporation.\n#\n# Licensed under the Apache License, Version 2.0 (the \"License\");\n# you may not use this file except in compliance with the License.\n# You may obtain a copy of the License at\n#\n# http://www.apache.org/licenses/LICENSE-2.0\n#\n# Unless required by applicable law or agreed to in writing, software\n# distributed under the License is distributed on an \"AS IS\" BASIS,\n# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n# See the License for the specific language governing permissions and\n# limitations under the License.\n\nimport asyncio\nimport subprocess\nimport sys\nfrom typing import Any\n\nfrom greenlet import greenlet\n\nfrom playwright.async_api import Playwright as AsyncPlaywright\nfrom playwright.connection import Connection\nfrom playwright.helper import Error\nfrom playwright.object_factory import create_remote_object\nfrom playwright.path_utils import get_file_dirname\nfrom playwright.playwright import Playwright\nfrom playwright.sync_api import Playwright as SyncPlaywright\nfrom playwright.sync_base import dispatcher_fiber, set_dispatcher_fiber\n\n\ndef compute_driver_name() -> str:\n    platform = sys.platform\n    if platform == \"darwin\":\n        result = \"driver-macos\"\n    elif platform == \"linux\":\n        result = \"driver-linux\"\n    elif platform == \"win32\":\n        result = \"driver-win.exe\"\n    return result\n\n\nasync def run_driver_async() -> Connection:\n    package_path = get_file_dirname()\n    driver_name = compute_driver_name()\n    driver_executable = package_path / \"drivers\" / driver_name\n\n    proc = await asyncio.create_subprocess_exec(\n        str(driver_executable),\n        stdin=asyncio.subprocess.PIPE,\n        stdout=asyncio.subprocess.PIPE,\n        stderr=asyncio.subprocess.PIPE,\n        limit=32768,\n    )\n    assert proc.stdout\n    assert proc.stdin\n    connection = Connection(\n        proc.stdout, proc.stdin, create_remote_object, asyncio.get_event_loop()\n    )\n    return connection\n\n\ndef run_driver() -> Connection:\n    loop = asyncio.get_event_loop()\n    if loop.is_running():\n        raise Error(\"Can only run one Playwright at a time.\")\n    return loop.run_until_complete(run_driver_async())\n\n\nclass SyncPlaywrightContextManager:\n    def __init__(self) -> None:\n        self._connection = run_driver()\n        self._playwright: SyncPlaywright\n\n    def __enter__(self) -> SyncPlaywright:\n        g_self = greenlet.getcurrent()\n\n        def callback_wrapper(playwright_impl: Playwright) -> None:\n            self._playwright = SyncPlaywright(playwright_impl)\n            g_self.switch()\n\n        self._connection.call_on_object_with_known_name(\"Playwright\", callback_wrapper)\n        set_dispatcher_fiber(greenlet(lambda: self._connection.run_sync()))\n        dispatcher_fiber().switch()\n        return self._playwright\n\n    def __exit__(self, exc_type: Any, exc_val: Any, exc_tb: Any) -> None:\n        self._connection.stop_sync()\n\n\nclass AsyncPlaywrightContextManager:\n    def __init__(self) -> None:\n        self._connection: Connection\n\n    async def __aenter__(self) -> AsyncPlaywright:\n        self._connection = await run_driver_async()\n        self._connection.run_async()\n        return AsyncPlaywright(\n            await self._connection.wait_for_object_with_known_name(\"Playwright\")\n        )\n\n    async def __aexit__(self, exc_type: Any, exc_val: Any, exc_tb: Any) -> None:\n        self._connection.stop_async()\n\n\nif sys.platform == \"win32\":\n    # Use ProactorEventLoop in 3.7, which is default in 3.8\n    loop = asyncio.ProactorEventLoop()\n    asyncio.set_event_loop(loop)\n\n\ndef main() -> None:\n    if \"install\" not in sys.argv:\n        print('Run \"python -m playwright install\" to complete installation')\n        return\n    package_path = get_file_dirname()\n    driver_name = compute_driver_name()\n    driver_executable = package_path / \"drivers\" / driver_name\n    print(\"Installing the browsers...\")\n    subprocess.check_call(f\"{driver_executable} install\", shell=True)\n\n    print(\"Playwright is now ready for use\")\n", "path": "playwright/main.py"}], "after_files": [{"content": "# Copyright (c) Microsoft Corporation.\n#\n# Licensed under the Apache License, Version 2.0 (the \"License\");\n# you may not use this file except in compliance with the License.\n# You may obtain a copy of the License at\n#\n# http://www.apache.org/licenses/LICENSE-2.0\n#\n# Unless required by applicable law or agreed to in writing, software\n# distributed under the License is distributed on an \"AS IS\" BASIS,\n# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n# See the License for the specific language governing permissions and\n# limitations under the License.\n\nimport asyncio\nimport subprocess\nimport sys\nfrom typing import Any\n\nfrom greenlet import greenlet\n\nfrom playwright.async_api import Playwright as AsyncPlaywright\nfrom playwright.connection import Connection\nfrom playwright.helper import Error\nfrom playwright.object_factory import create_remote_object\nfrom playwright.path_utils import get_file_dirname\nfrom playwright.playwright import Playwright\nfrom playwright.sync_api import Playwright as SyncPlaywright\nfrom playwright.sync_base import dispatcher_fiber, set_dispatcher_fiber\n\n\ndef compute_driver_name() -> str:\n    platform = sys.platform\n    if platform == \"darwin\":\n        result = \"driver-macos\"\n    elif platform == \"linux\":\n        result = \"driver-linux\"\n    elif platform == \"win32\":\n        result = \"driver-win.exe\"\n    return result\n\n\nasync def run_driver_async() -> Connection:\n    package_path = get_file_dirname()\n    driver_name = compute_driver_name()\n    driver_executable = package_path / \"drivers\" / driver_name\n\n    proc = await asyncio.create_subprocess_exec(\n        str(driver_executable),\n        stdin=asyncio.subprocess.PIPE,\n        stdout=asyncio.subprocess.PIPE,\n        stderr=sys.stderr,\n        limit=32768,\n    )\n    assert proc.stdout\n    assert proc.stdin\n    connection = Connection(\n        proc.stdout, proc.stdin, create_remote_object, asyncio.get_event_loop()\n    )\n    return connection\n\n\ndef run_driver() -> Connection:\n    loop = asyncio.get_event_loop()\n    if loop.is_running():\n        raise Error(\"Can only run one Playwright at a time.\")\n    return loop.run_until_complete(run_driver_async())\n\n\nclass SyncPlaywrightContextManager:\n    def __init__(self) -> None:\n        self._connection = run_driver()\n        self._playwright: SyncPlaywright\n\n    def __enter__(self) -> SyncPlaywright:\n        g_self = greenlet.getcurrent()\n\n        def callback_wrapper(playwright_impl: Playwright) -> None:\n            self._playwright = SyncPlaywright(playwright_impl)\n            g_self.switch()\n\n        self._connection.call_on_object_with_known_name(\"Playwright\", callback_wrapper)\n        set_dispatcher_fiber(greenlet(lambda: self._connection.run_sync()))\n        dispatcher_fiber().switch()\n        return self._playwright\n\n    def __exit__(self, exc_type: Any, exc_val: Any, exc_tb: Any) -> None:\n        self._connection.stop_sync()\n\n\nclass AsyncPlaywrightContextManager:\n    def __init__(self) -> None:\n        self._connection: Connection\n\n    async def __aenter__(self) -> AsyncPlaywright:\n        self._connection = await run_driver_async()\n        self._connection.run_async()\n        return AsyncPlaywright(\n            await self._connection.wait_for_object_with_known_name(\"Playwright\")\n        )\n\n    async def __aexit__(self, exc_type: Any, exc_val: Any, exc_tb: Any) -> None:\n        self._connection.stop_async()\n\n\nif sys.platform == \"win32\":\n    # Use ProactorEventLoop in 3.7, which is default in 3.8\n    loop = asyncio.ProactorEventLoop()\n    asyncio.set_event_loop(loop)\n\n\ndef main() -> None:\n    if \"install\" not in sys.argv:\n        print('Run \"python -m playwright install\" to complete installation')\n        return\n    package_path = get_file_dirname()\n    driver_name = compute_driver_name()\n    driver_executable = package_path / \"drivers\" / driver_name\n    print(\"Installing the browsers...\")\n    subprocess.check_call(f\"{driver_executable} install\", shell=True)\n\n    print(\"Playwright is now ready for use\")\n", "path": "playwright/main.py"}]}