fixup! Fix indentation handling with tabs (Issue: pylint-dev#1148)

Author: Andreas Freimuth

pylint/checkers/format.py

@@ -304,8 +304,8 @@ def line_indent(self, idx):
         return _get_indent_string(self.line(idx))
 
     def token_indent(self, idx):
-        return (self.line_indent(idx) +
-                ' ' * (self.start_col(idx) - _get_indent_length(self.line(idx))))
+        line_indent = self.line_indent(idx)
+        return (line_indent + ' ' * (self.start_col(idx) - len(line_indent)))
 
 
 class ContinuedLineState(object):