fix documentation test

Author: Yang

PyStemmusScope/my_module.py

@@ -19,7 +19,7 @@ def hello(name):
     Example:
         This function can be called with `Jane Smith` as argument using
 
-        >>> from pystemmusscope.my_module import hello
+        >>> from PyStemmusScope.my_module import hello
         >>> hello('Jane Smith')
         'Hello Jane Smith!'