We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN 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'**

--- 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/_impl/_transport.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 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 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/_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

{"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"}], "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 io\nimport json\nimport os\nimport sys\nfrom pathlib import Path\nfrom typing import Dict, Optional\n\n\n# Sourced from: https://github.com/pytest-dev/pytest/blob/da01ee0a4bb0af780167ecd228ab3ad249511302/src/_pytest/faulthandler.py#L69-L77\ndef _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\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=_get_stderr_fileno(),\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"}]}