Remove unused variable 'imports' from readmodule_ex().
diff --git a/Lib/pyclbr.py b/Lib/pyclbr.py
index ea42c30..4a153ca 100644
--- a/Lib/pyclbr.py
+++ b/Lib/pyclbr.py
@@ -202,7 +202,6 @@
         return dict
 
     _modules[module] = dict
-    imports = []
     classstack = [] # stack of (class, indent) pairs
     src = f.read()
     f.close()