module-v2-example: fix the testing typo to enable the module

modules/module-v2-example/index.py

@@ -4,7 +4,7 @@ class Counter:
 
     def call_count(self):
         self.counter += 1
-        return self.counter.et
+        return self.counter
 
 c = Counter()
 
@@ -13,4 +13,4 @@ def get_num():
 
 def process(message, path):
     if message.text == "!v2-testing":
-        return f"Testing successful - this is call number {get_num()}"
+        return f"Testing successful - call number {get_num()}"