Better tab checking, since we care about any tabs in the line, not just in initial indentation

ansible_testing/modules.py

@@ -27,7 +27,7 @@ from StringIO import StringIO
 
 
 BLACKLIST_DIRS = frozenset(('.git',))
-INDENT_REGEX = re.compile(r'(^[ \t]*)')
+INDENT_REGEX = re.compile(r'([\t]*)')
 BASIC_RESERVED = frozenset((r for r in dir(module_utils_basic) if r[0] != '_'))
 
 
@@ -176,8 +176,7 @@ class ModuleValidator(Validator):
     def _check_for_tabs(self):
         for line_no, line in enumerate(self.text.splitlines()):
             indent = INDENT_REGEX.search(line)
-            for i in indent.groups():
-                if '\t' in i:
+            if indent and '\t' in line:
                 index = line.index('\t')
                 self.errors.append('indentation contains tabs. line %d '
                                    'column %d' % (line_no + 1, index))