Fix the typo I introduced in the last fix :)

esap_client/connectors/rucio.py

@@ -23,7 +23,7 @@ else:
     running_in_dlaas = True
 
 
-class NotInDLaaSError(RuntimeError):§
+class NotInDLaaSError(RuntimeError):
     """Exception raised when functions are executed
     outside the Data Lake as a Service environment.
     Inherits from RuntimeError.