fix pylint errors

backend/src/forms/exceptions.py

@@ -1,17 +1,26 @@
+"""Forms module exceptions"""
+import logging
+
 class FormServiceError(Exception):
+    """Form service exception"""
     def __init__(self, message: str):
         super().__init__(message)
+        logging.error('FormService : %s', message)
+
 
 class UserNotFoundError(FormServiceError):
     pass
 
+
 class ProductorNotFoundError(FormServiceError):
     pass
 
+
 class FormNotFoundError(FormServiceError):
     pass
 
+
 class FormCreateError(FormServiceError):
     def __init__(self, message: str, field: str | None = None):
         super().__init__(message)
-        self.field = field
+        self.field = field