diff --git a/src/cython_setup.py b/src/cython_setup.py
index 6bb2e85..c80f46f 100755
--- a/src/cython_setup.py
+++ b/src/cython_setup.py
@@ -29,7 +29,7 @@ from distutils.extension import Extension
 from Cython.Distutils import build_ext
 import os
 
-to_remove = """cython_setup.py version.py command_line.py""".split()
+to_remove = """__init__.py cython_setup.py version.py command_line.py""".split()
 ext_modules = []
 
 files = os.listdir('.')
diff --git a/src/variables.py b/src/variables.py
index cf2a409..bc5cf58 100644
--- a/src/variables.py
+++ b/src/variables.py
@@ -47,8 +47,18 @@ def create_variables():
         inside = False
         icount += 1
         v = Variable(buffer,icount)
+        if v.name in result:
+          print "Warning: Duplicate provider for %s in"%(v.name)
+          print "- ", v.line.filename[0], " line ", v.line.i
+          print "- ", result[v.name].line.filename[0], " line ", result[v.name].line.i
+          print "Choosing first version"
         result[v.name] = v
         for other in v.others:
+          if other in result:
+            print "Warning: Duplicate provider for %s in"%(other)
+            print "- ", v.line.filename[0], " line ", v.line.i
+            print "- ", result[other].line.filename[0], " line ", result[other].line.i
+            print "Choosing first version"
           result[other] = Variable(buffer,icount,other)
         buffer = []
   return result