Create error_messages.py

helper/error_messages.py

@@ -0,0 +1,9 @@
+from fastapi.encoders import jsonable_encoder
+from fastapi.responses import JSONResponse
+
+
+def error_handler(status_code, json_message):
+    return JSONResponse(
+        status_code=status_code,
+        content=jsonable_encoder(json_message),
+    )