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--- libSBML-5.19.0-Source/src/bindings/python/doc-converter/rewrite_pydoc.py~	2020-11-25 12:03:01.000000000 +0100
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+++ libSBML-5.19.0-Source/src/bindings/python/doc-converter/rewrite_pydoc.py	2021-01-17 11:55:21.317440267 +0100
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@@ -118,7 +118,6 @@
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 import sys
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 import os
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 import textwrap
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-from formatter import NullWriter, AbstractFormatter
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 try:
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     from htmllib import HTMLParser
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 except Exception:
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@@ -192,12 +191,10 @@
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 # writes all text to an internal string variable.  The contents can be
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 # obtained using a call to get_text().
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-class RewritePydocStringWriter(NullWriter):
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-
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+class RewritePydocStringWriter:
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     def __init__(self, maxcol=72):
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         self.text = ''
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         self.maxcol = maxcol
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-        NullWriter.__init__(self)
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         self.reset()
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     def reset(self):