Update app.py

app.py

@@ -45,21 +45,22 @@ async def respond(
         return response
 
     except APIError as e:
+        # Handle both string and dict types of error bodies
         error_details = e.body
-        error_type = error_details.get("type")
-        error_code = error_details.get("code")
-        error_param = error_details.get("param")
-        error_message = error_details.get("message")
-
-        if error_type:
+        if isinstance(error_details, dict):
+            error_type = error_details.get("type", "Unknown")
+            error_code = error_details.get("code", "Unknown")
+            error_param = error_details.get("param", "Unknown")
+            error_message = error_details.get("message", "An error occurred.")
             error_str = f"{error_type}: {error_message} (code: {error_code}, param: {error_param})"
         else:
-            error_str = "An error occurred during streaming"
-        print(f"Error: {error_str}")
+            error_str = f"Error: {error_details}"
+
+        print(f"APIError: {error_str}")
         return error_str
 
     except Exception as e:
-        print(f"Error: {e}")
+        print(f"Exception: {e}")
         return "Error occurred. Please try again."