chore: allow custom PLAYWRIGHT_BROWSERS_PATH with Pyinstaller (microsoft#1002)

mxschmitt · web-flow · commit 0a3d7f0bacfe · 2021-11-02T14:27:10.000+01:00
diff --git a/playwright/_impl/_transport.py b/playwright/_impl/_transport.py
@@ -115,7 +115,7 @@ async def connect(self) -> None:
             # For pyinstaller
             env = os.environ.copy()
             if getattr(sys, "frozen", False):
-                env["PLAYWRIGHT_BROWSERS_PATH"] = "0"
+                env.setdefault("PLAYWRIGHT_BROWSERS_PATH", "0")
 
             self._proc = await asyncio.create_subprocess_exec(
                 str(self._driver_executable),
