fixes

Author: mxschmitt

playwright/_impl/_browser_type.py

@@ -152,11 +152,7 @@ async def launch_persistent_context(
         recordHarContent: HarContentPolicy = None,
         clientCertificates: List[ClientCertificate] = None,
     ) -> BrowserContext:
-        userDataDir = (
-            str(Path(userDataDir))
-            if (Path(userDataDir).is_absolute() or not userDataDir)
-            else str(Path(userDataDir).resolve())
-        )
+        userDataDir = self._user_data_dir(userDataDir)
         params = locals_to_params(locals())
         await prepare_browser_context_params(params)
         normalize_launch_params(params)
@@ -167,6 +163,13 @@ async def launch_persistent_context(
         self._did_create_context(context, params, params)
         return context
 
+    def _user_data_dir(self, userDataDir: Optional[Union[str, Path]]) -> str:
+        if not userDataDir:
+            return ""
+        if not Path(userDataDir).is_absolute():
+            return str(Path(userDataDir).resolve())
+        return str(Path(userDataDir))
+
     async def connect_over_cdp(
         self,
         endpointURL: str,