Address some pylint issues (#1155)

* Address cyclic-import.

* Address redefined-builtin.

* Address redefined-argument-from-local.

* Address many redefined-outer-name.

* Address pointless-string-statement.

* No longer needed due to separate bugfix.

* Address useless-return.

* Address possibly-used-before-assignment.

* Add TODOs.

* Address super-init-not-called.

* Address function-redefined.

* Address unspecified-encoding.

* Clean up more imports.

plugins/modules/docker_image_build.py

@@ -318,11 +318,11 @@ def dict_to_list(dictionary, concat="="):
     return [f"{k}{concat}{v}" for k, v in sorted(dictionary.items())]
 
 
-def _quote_csv(input):
-    if input.strip() == input and all(i not in input for i in '",\r\n'):
-        return input
-    input = input.replace('"', '""')
-    return f'"{input}"'
+def _quote_csv(text):
+    if text.strip() == text and all(i not in text for i in '",\r\n'):
+        return text
+    text = text.replace('"', '""')
+    return f'"{text}"'
 
 
 class ImageBuilder(DockerBaseClass):