diff options
| -rw-r--r-- | setuptools/command/build_py.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/setuptools/command/build_py.py b/setuptools/command/build_py.py index 94f66741..910d67c8 100644 --- a/setuptools/command/build_py.py +++ b/setuptools/command/build_py.py @@ -32,8 +32,9 @@ try: self.fixer_names = [] for p in setuptools.lib2to3_fixer_packages: self.fixer_names.extend(get_fixers_from_package(p)) - for p in self.distribution.additional_2to3_fixers: - self.fixer_names.extend(get_fixers_from_package(p)) + if self.distribution.additional_2to3_fixers is not None: + for p in self.distribution.additional_2to3_fixers: + self.fixer_names.extend(get_fixers_from_package(p)) if doctests: if setuptools.run_2to3_on_doctests: r = DistutilsRefactoringTool(self.fixer_names) |