Override __hash__

Author: JoshRosen

dev/sparktestsupport/modules.py

@@ -89,6 +89,9 @@ def __eq__(self, other):
     def __ne__(self, other):
         return not (self.name == other.name)
 
+    def __hash__(self)
+        return hash(self.name)
+
 
 catalyst = Module(
     name="catalyst",