Fix cors origin (#525)

pynecone/app.py

@@ -75,7 +75,7 @@ class App(Base):
 
         # Set up the API.
         self.api = FastAPI()
-        self.add_cors(config.cors_allowed_origins)
+        self.add_cors()
         self.add_default_endpoints()
 
         # Set up CORS options.
@@ -124,16 +124,10 @@ class App(Base):
         # To test the server.
         self.api.get(str(constants.Endpoint.PING))(ping)
 
-    def add_cors(self, allowed_origins: Optional[List[str]] = None):
-        """Add CORS middleware to the app.
-
-        Args:
-            allowed_origins: A list of allowed origins.
-        """
-        allowed_origins = allowed_origins or ["*"]
+    def add_cors(self):
+        """Add CORS middleware to the app."""
         self.api.add_middleware(
             cors.CORSMiddleware,
-            allow_origins=allowed_origins,
             allow_credentials=True,
             allow_methods=["*"],
             allow_headers=["*"],