Adding from . import extensions.

Author: unhyperbolic

src/snappy/__init__.py

@@ -3,6 +3,7 @@
 # logging.basicConfig(filename='example.log',level=logging.DEBUG)
 # logging.debug('This message should go to the log file')
 import sys
+from . import extensions
 from .extensions.SnapPy import (AbelianGroup,
                      FundamentalGroup,
                      SymmetryGroup,