prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Interactive mode (REPL) Error !!!
  **pip install playwright==0.162.2**
  
  from playwright import sync_playwright
  **playwright = sync_playwright().start()**
  
  Traceback (most recent call last):
  File "<pyshell#1>", line 1, in
  playwright = sync_playwright().start()
  File "C:\Python37\lib\site-packages\playwright_init_.py", line 34, in sync_playwright
  return SyncPlaywrightContextManager()
  File "C:\Python37\lib\site-packages\playwright\main.py", line 81, in init
  self._connection = run_driver()
  File "C:\Python37\lib\site-packages\playwright\main.py", line 76, in run_driver
  return loop.run_until_complete(run_driver_async())
  File "C:\Python37\lib\asyncio\base_events.py", line 587, in run_until_complete
  return future.result()
  File "C:\Python37\lib\site-packages\playwright\main.py", line 61, in run_driver_async
  stderr=_get_stderr_fileno(),
  File "C:\Python37\lib\site-packages\playwright\main.py", line 54, in _get_stderr_fileno
  return sys.stderr.fileno()
  **AttributeError: 'NoneType' object has no attribute 'fileno'**
  
  </issue>
  <code>
  [start of playwright/_impl/_transport.py]
  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 json
  17 import os
  18 import sys
  19 from pathlib import Path
  20 from typing import Dict
  21 
  22 
  23 class Transport:
  24     def __init__(self, driver_executable: Path) -> None:
  25         super().__init__()
  26         self.on_message = lambda _: None
  27         self._stopped = False
  28         self._driver_executable = driver_executable
  29         self._loop: asyncio.AbstractEventLoop
  30 
  31     def stop(self) -> None:
  32         self._stopped = True
  33         self._output.close()
  34 
  35     async def run(self) -> None:
  36         self._loop = asyncio.get_running_loop()
  37         driver_executable = self._driver_executable
  38 
  39         proc = await asyncio.create_subprocess_exec(
  40             str(driver_executable),
  41             "run-driver",
  42             stdin=asyncio.subprocess.PIPE,
  43             stdout=asyncio.subprocess.PIPE,
  44             stderr=sys.stderr,
  45             limit=32768,
  46         )
  47         assert proc.stdout
  48         assert proc.stdin
  49         self._output = proc.stdin
  50 
  51         while not self._stopped:
  52             try:
  53                 buffer = await proc.stdout.readexactly(4)
  54                 length = int.from_bytes(buffer, byteorder="little", signed=False)
  55                 buffer = bytes(0)
  56                 while length:
  57                     to_read = min(length, 32768)
  58                     data = await proc.stdout.readexactly(to_read)
  59                     length -= to_read
  60                     if len(buffer):
  61                         buffer = buffer + data
  62                     else:
  63                         buffer = data
  64                 obj = json.loads(buffer)
  65 
  66                 if "DEBUGP" in os.environ:  # pragma: no cover
  67                     print("\x1b[33mRECV>\x1b[0m", json.dumps(obj, indent=2))
  68                 self.on_message(obj)
  69             except asyncio.IncompleteReadError:
  70                 break
  71             await asyncio.sleep(0)
  72 
  73     def send(self, message: Dict) -> None:
  74         msg = json.dumps(message)
  75         if "DEBUGP" in os.environ:  # pragma: no cover
  76             print("\x1b[32mSEND>\x1b[0m", json.dumps(message, indent=2))
  77         data = msg.encode()
  78         self._output.write(
  79             len(data).to_bytes(4, byteorder="little", signed=False) + data
  80         )
  81
  [end of playwright/_impl/_transport.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/playwright/_impl/_transport.py b/playwright/_impl/_transport.py
  --- a/playwright/_impl/_transport.py
  +++ b/playwright/_impl/_transport.py
  @@ -13,11 +13,25 @@
   # limitations under the License.
   
   import asyncio
  +import io
   import json
   import os
   import sys
   from pathlib import Path
  -from typing import Dict
  +from typing import Dict, Optional
  +
  +
  +# Sourced from: https://github.com/pytest-dev/pytest/blob/da01ee0a4bb0af780167ecd228ab3ad249511302/src/_pytest/faulthandler.py#L69-L77
  +def _get_stderr_fileno() -> Optional[int]:
  +    try:
  +        return sys.stderr.fileno()
  +    except (AttributeError, io.UnsupportedOperation):
  +        # pytest-xdist monkeypatches sys.stderr with an object that is not an actual file.
  +        # https://docs.python.org/3/library/faulthandler.html#issue-with-file-descriptors
  +        # This is potentially dangerous, but the best we can do.
  +        if not hasattr(sys, "__stderr__"):
  +            return None
  +        return sys.__stderr__.fileno()
   
   
   class Transport:
  @@ -41,7 +55,7 @@
               "run-driver",
               stdin=asyncio.subprocess.PIPE,
               stdout=asyncio.subprocess.PIPE,
  -            stderr=sys.stderr,
  +            stderr=_get_stderr_fileno(),
               limit=32768,
           )
           assert proc.stdout
  
verification_info: {"golden_diff": "diff --git a/playwright/_impl/_transport.py b/playwright/_impl/_transport.py\n--- a/playwright/_impl/_transport.py\n+++ b/playwright/_impl/_transport.py\n@@ -13,11 +13,25 @@\n # limitations under the License.\n \n import asyncio\n+import io\n import json\n import os\n import sys\n from pathlib import Path\n-from typing import Dict\n+from typing import Dict, Optional\n+\n+\n+# Sourced from: https://github.com/pytest-dev/pytest/blob/da01ee0a4bb0af780167ecd228ab3ad249511302/src/_pytest/faulthandler.py#L69-L77\n+def _get_stderr_fileno() -> Optional[int]:\n+    try:\n+        return sys.stderr.fileno()\n+    except (AttributeError, io.UnsupportedOperation):\n+        # pytest-xdist monkeypatches sys.stderr with an object that is not an actual file.\n+        # https://docs.python.org/3/library/faulthandler.html#issue-with-file-descriptors\n+        # This is potentially dangerous, but the best we can do.\n+        if not hasattr(sys, \"__stderr__\"):\n+            return None\n+        return sys.__stderr__.fileno()\n \n \n class Transport:\n@@ -41,7 +55,7 @@\n             \"run-driver\",\n             stdin=asyncio.subprocess.PIPE,\n             stdout=asyncio.subprocess.PIPE,\n-            stderr=sys.stderr,\n+            stderr=_get_stderr_fileno(),\n             limit=32768,\n         )\n         assert proc.stdout\n", "issue": "Interactive mode (REPL) Error !!!\n**pip install playwright==0.162.2**\r\n\r\nfrom playwright import sync_playwright\r\n**playwright = sync_playwright().start()**\r\n\r\nTraceback (most recent call last):\r\nFile \"<pyshell#1>\", line 1, in\r\nplaywright = sync_playwright().start()\r\nFile \"C:\\Python37\\lib\\site-packages\\playwright_init_.py\", line 34, in sync_playwright\r\nreturn SyncPlaywrightContextManager()\r\nFile \"C:\\Python37\\lib\\site-packages\\playwright\\main.py\", line 81, in init\r\nself._connection = run_driver()\r\nFile \"C:\\Python37\\lib\\site-packages\\playwright\\main.py\", line 76, in run_driver\r\nreturn loop.run_until_complete(run_driver_async())\r\nFile \"C:\\Python37\\lib\\asyncio\\base_events.py\", line 587, in run_until_complete\r\nreturn future.result()\r\nFile \"C:\\Python37\\lib\\site-packages\\playwright\\main.py\", line 61, in run_driver_async\r\nstderr=_get_stderr_fileno(),\r\nFile \"C:\\Python37\\lib\\site-packages\\playwright\\main.py\", line 54, in _get_stderr_fileno\r\nreturn sys.stderr.fileno()\r\n**AttributeError: 'NoneType' object has no attribute 'fileno'**\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 json\nimport os\nimport sys\nfrom pathlib import Path\nfrom typing import Dict\n\n\nclass Transport:\n    def __init__(self, driver_executable: Path) -> None:\n        super().__init__()\n        self.on_message = lambda _: None\n        self._stopped = False\n        self._driver_executable = driver_executable\n        self._loop: asyncio.AbstractEventLoop\n\n    def stop(self) -> None:\n        self._stopped = True\n        self._output.close()\n\n    async def run(self) -> None:\n        self._loop = asyncio.get_running_loop()\n        driver_executable = self._driver_executable\n\n        proc = await asyncio.create_subprocess_exec(\n            str(driver_executable),\n            \"run-driver\",\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        self._output = proc.stdin\n\n        while not self._stopped:\n            try:\n                buffer = await proc.stdout.readexactly(4)\n                length = int.from_bytes(buffer, byteorder=\"little\", signed=False)\n                buffer = bytes(0)\n                while length:\n                    to_read = min(length, 32768)\n                    data = await proc.stdout.readexactly(to_read)\n                    length -= to_read\n                    if len(buffer):\n                        buffer = buffer + data\n                    else:\n                        buffer = data\n                obj = json.loads(buffer)\n\n                if \"DEBUGP\" in os.environ:  # pragma: no cover\n                    print(\"\\x1b[33mRECV>\\x1b[0m\", json.dumps(obj, indent=2))\n                self.on_message(obj)\n            except asyncio.IncompleteReadError:\n                break\n            await asyncio.sleep(0)\n\n    def send(self, message: Dict) -> None:\n        msg = json.dumps(message)\n        if \"DEBUGP\" in os.environ:  # pragma: no cover\n            print(\"\\x1b[32mSEND>\\x1b[0m\", json.dumps(message, indent=2))\n        data = msg.encode()\n        self._output.write(\n            len(data).to_bytes(4, byteorder=\"little\", signed=False) + data\n        )\n", "path": "playwright/_impl/_transport.py"}]}