PEP 8 W291 whitespace cleanup.

lib/ansible/plugins/lookup/first_found.py

@@ -36,7 +36,7 @@ __metaclass__ = type
 # EXAMPLES
 #  - name: copy first existing file found to /some/file
 #    action: copy src=$item dest=/some/file
-#    with_first_found: 
+#    with_first_found:
 #     - files: foo ${inventory_hostname} bar
 #       paths: /tmp/production /tmp/staging
 
@@ -50,7 +50,7 @@ __metaclass__ = type
 
 #  - name: copy first existing file found to /some/file
 #    action: copy src=$item dest=/some/file
-#    with_first_found: 
+#    with_first_found:
 #     - files: /some/place/foo ${inventory_hostname} /some/place/else
 
 #  that will look for files in this order:
@@ -102,7 +102,7 @@ __metaclass__ = type
 #      - templates
 
 # the above will return an empty list if the files cannot be found at all
-# if skip is unspecificed or if it is set to false then it will return a list 
+# if skip is unspecificed or if it is set to false then it will return a list
 # error which can be caught bye ignore_errors: true for that action.
 
 # finally - if you want you can use it, in place to replace first_available_file:

lib/ansible/plugins/lookup/pipe.py

@@ -31,8 +31,8 @@ class LookupModule(LookupBase):
             '''
             http://docs.python.org/2/library/subprocess.html#popen-constructor
 
-            The shell argument (which defaults to False) specifies whether to use the 
-            shell as the program to execute. If shell is True, it is recommended to pass 
+            The shell argument (which defaults to False) specifies whether to use the
+            shell as the program to execute. If shell is True, it is recommended to pass
             args as a string rather than as a sequence
 
             https://github.com/ansible/ansible/issues/6550

lib/ansible/plugins/lookup/random_choice.py

@@ -28,7 +28,7 @@ from ansible.plugins.lookup import LookupBase
 #        - debug: msg=$item
 #          with_random_choice:
 #             - one
-#             - two 
+#             - two
 #             - three
 
 class LookupModule(LookupBase):