Remove unnessecary if statement.

The statement will never evaluate False, so its not needed. Also, Unicode is not valid for PY3, so its better to not include it. Fixes #470.

Author: waylan

markdown/extensions/tables.py

@@ -73,11 +73,7 @@ def _build_row(self, row, parent, align, border):
  for i, a in enumerate(align):
  c = etree.SubElement(tr, tag)
  try:
- if isinstance(cells[i], str) or isinstance(cells[i], unicode):
- c.text = cells[i].strip()
- else:
- # we've already inserted a code element
- c.append(cells[i])
+ c.text = cells[i].strip()
  except IndexError: # pragma: no cover
  c.text = ""
  if a: