Fix a bug where pyamf would be imported prematurely, before building …

…the c-extensions which would break the tests on the first run.

git-svn-id: https://svn.pyamf.org/branches/cpyamf-amf0-772@3353 2dde4cc4-cf3c-0410-b1a3-a9b8ff274da5

setup.py

@@ -25,6 +25,13 @@
 
 readme = os.path.join(base_path, 'README.txt')
 
+    # need to remove all references to imported pyamf modules, as building
+    # the c extensions change pyamf.util.BufferedByteStream, which blow up
+    # the tests
+    for k, v in sys.modules.copy().iteritems():
+        if k and k.startswith('pyamf'):
+            del sys.modules[k]
+
 
 class TestCommand(test.test):
     """