fix: skip if fixed-method result to another result

autopep8.py

@@ -477,6 +477,7 @@ def __init__(self, filename,
             self.source = sio.readlines()
         self.options = options
         self.indent_word = _get_indentword(''.join(self.source))
+        self.original_source = copy.copy(self.source)
 
         # collect imports line
         self.imports = {}
@@ -540,6 +541,14 @@ def _fix_source(self, results):
             if result['line'] in completed_lines:
                 continue
 
+            # NOTE: Skip if the correction by the fixed-method affects
+            #       the number of lines of another remark.
+            _line_index = result['line'] - 1
+            _target = self.source[_line_index]
+            _original_target = self.original_source[_line_index]
+            if _target != _original_target:
+                continue
+
             fixed_methodname = 'fix_' + result['id'].lower()
             if hasattr(self, fixed_methodname):
                 fix = getattr(self, fixed_methodname)