Small refactor and isort+black formatting

src/pyrmv/errors/svc_errors.py

@@ -12,134 +12,160 @@ class SvcParamError(Exception):
         super().__init__(self.errorText)
 
     def __str__(self):
-        return f'{self.errorCode} -> {self.errorText}'
+        return f"{self.errorCode} -> {self.errorText}"
+
 
 class SvcLocationError(Exception):
     """
     Location missing or invalid.
     """
+
     def __init__(self):
         super().__init__(self.__doc__)
 
     def __str__(self):
         return self.__doc__
 
+
 class SvcLocationArrivalError(Exception):
     """
     Arrival location missing or invalid.
     """
+
     def __init__(self):
         super().__init__(self.__doc__)
 
     def __str__(self):
         return self.__doc__
 
+
 class SvcLocationDepartureError(Exception):
     """
     Departure location missing or invalid.
     """
+
     def __init__(self):
         super().__init__(self.__doc__)
 
     def __str__(self):
         return self.__doc__
 
+
 class SvcLocationViaError(Exception):
     """
     Unknown change stop.
     """
+
     def __init__(self):
         super().__init__(self.__doc__)
 
     def __str__(self):
         return self.__doc__
 
+
 class SvcLocationEqualError(Exception):
     """
     Origin/destination or vias are equal.
     """
+
     def __init__(self):
         super().__init__(self.__doc__)
 
     def __str__(self):
         return self.__doc__
 
+
 class SvcLocationNearError(Exception):
     """
     Origin and destination are too close.
     """
+
     def __init__(self):
         super().__init__(self.__doc__)
 
     def __str__(self):
         return self.__doc__
 
+
 class SvcDatetimeError(Exception):
     """
     Date/time are missing or invalid.
     """
+
     def __init__(self):
         super().__init__(self.__doc__)
 
     def __str__(self):
         return self.__doc__
 
+
 class SvcDatetimePeriodError(Exception):
     """
     Date/time are not in timetable or allowed period.
     """
+
     def __init__(self):
         super().__init__(self.__doc__)
 
     def __str__(self):
         return self.__doc__
 
+
 class SvcProductError(Exception):
     """
     Product field missing or invalid.
     """
+
     def __init__(self):
         super().__init__(self.__doc__)
 
     def __str__(self):
         return self.__doc__
 
+
 class SvcContextError(Exception):
     """
     Context is invalid.
     """
+
     def __init__(self):
         super().__init__(self.__doc__)
 
     def __str__(self):
         return self.__doc__
 
+
 class SvcNoResultError(Exception):
     """
     No result found.
     """
+
     def __init__(self):
         super().__init__(self.__doc__)
 
     def __str__(self):
         return self.__doc__
 
+
 class SvcSearchError(Exception):
     """
     Unsuccessful search.
     """
+
     def __init__(self):
         super().__init__(self.__doc__)
 
     def __str__(self):
         return self.__doc__
 
+
 class SvcNoMatchError(Exception):
     """
     No match found.
     """
+
     def __init__(self):
         super().__init__(self.__doc__)
 
     def __str__(self):
-        return self.__doc__
+        return self.__doc__