1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/lib2to3/tests/test_fixers.py b/Lib/lib2to3/tests/test_fixers.py
index 6d8b34e..dce6f60 100755
--- a/Lib/lib2to3/tests/test_fixers.py
+++ b/Lib/lib2to3/tests/test_fixers.py
@@ -3319,6 +3319,17 @@ class Test_import(FixerTestCase):
         a = "from . import foo.bar as bang"
         self.check_both(b, a)
 
+    def test_prefix(self):
+        b = """
+        # prefix
+        import foo.bar
+        """
+        a = """
+        # prefix
+        from . import foo.bar
+        """
+        self.check_both(b, a)
+
 
 if __name__ == "__main__":
     import __main__