Minor change in the install

pymolfile/plugin_list.py

@@ -2,7 +2,7 @@ import warnings
 import sys
 
 try:
-    from .molfile import _libpymolfile as libpymolfile
+    from .molfile import libpymolfile
 except ImportError:
     warnings.warn("libpymolfile package not available, pymolfile does not work without its library!")
 

pymolfile/pymolfile.py

@@ -13,7 +13,7 @@ if sys.version_info > (3,):
     long = int
 
 try:
-    from .molfile import _libpymolfile as libpymolfile
+    from .molfile import libpymolfile
 except ImportError:
     warnings.warn("libpymolfile package not available, pymolfile does not work without its library!")
 

setup.py

@@ -213,7 +213,7 @@ largefile_macros = [
 if __name__ == '__main__':
 
     libpymolfile_module = Extension(
-            'pymolfile/molfile/_libpymolfile', 
+            'pymolfile/molfile/libpymolfile', 
             sources=[
                 'pymolfile/molfile/libpymolfile.i' , 
                 'pymolfile/molfile/pymolfile.cxx',