Draft (new feature) : Model to estimate when a intervention had effect

causalpy/custom_exceptions.py

@@ -37,3 +37,10 @@
 
     def __init__(self, message: str):
         self.message = message
+
+
+class ModelException(Exception):
+    """Exception raised given when there is some error in user-provided model"""
+
+    def __init__(self, message: str):
+        self.message = message