Require rdflib 4.0 for installation.

gjhiggins · gjhiggins · commit 119e7840ded5 · 2013-06-04T19:32:50.000+01:00
diff --git a/setup.py b/setup.py
@@ -92,7 +92,7 @@ def find_version(filename):
     }
 )
 
-install_requires = ["rdflib>=3.4.1-dev",
+install_requires = ["rdflib>=4.0",
                     "SQLAlchemy"]
 
 if sys.version_info[0] >= 3:
