Fixed docstrings as referenced in issue no: #24071

Author: Mathew George

pandas/core/groupby/groupby.py

@@ -171,7 +171,7 @@ class providing the base-class of operations.
     {examples}
     """)
 
-_pipe_template = """\
+_pipe_template = """
 Apply a function `func` with arguments to this %(klass)s object and return
 the function's result.
 
@@ -556,7 +556,8 @@ def __getattr__(self, attr):
    B
 A
 a  2
-b  2""")
+b  2
+""")
     @Appender(_pipe_template)
     def pipe(self, func, *args, **kwargs):
         return com._pipe(self, func, *args, **kwargs)