url change fix

app.py

@@ -30,7 +30,6 @@ with cols[1]:
     )
 
 file_url = st.query_params.get("file_url", None)
-print(f"{file_url=}")
 
 if not file_url:
     st.warning(
@@ -46,12 +45,13 @@ if ("file_url" in st.session_state) and (st.session_state.file_url == file_url):
     input_gdf = st.session_state.input_gdf
 else:
     st.session_state.file_url = file_url
-    if file_url.startswith("https://drive.google.com/file/d/"):
-        ID = file_url.replace("https://drive.google.com/file/d/", "").split("/")[0]
-        file_url = f"https://drive.google.com/uc?id={ID}"
-    elif file_url.startswith("https://drive.google.com/open?id="):
-        ID = file_url.replace("https://drive.google.com/open?id=", "")
-        file_url = f"https://drive.google.com/uc?id={ID}"
+    if isinstance(file_url, str):
+        if file_url.startswith("https://drive.google.com/file/d/"):
+            ID = file_url.replace("https://drive.google.com/file/d/", "").split("/")[0]
+            file_url = f"https://drive.google.com/uc?id={ID}"
+        elif file_url.startswith("https://drive.google.com/open?id="):
+            ID = file_url.replace("https://drive.google.com/open?id=", "")
+            file_url = f"https://drive.google.com/uc?id={ID}"
 
     input_gdf = gpd.read_file(file_url)
     input_gdf = input_gdf.to_crs(epsg=7761)  # Gujarat zone