Allow 'from cython cimport parallel'

Cython/Compiler/ParseTreeTransforms.py

@@ -696,7 +696,9 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
 
         if result:
             directive = full_name.split('.')
-            if full_name == u"cython.parallel.*":
+            if full_name == u"cython.parallel":
+                self.parallel_directives[u"parallel"] = u"cython.parallel"
+            elif full_name == u"cython.parallel.*":
                 for name in self.valid_parallel_directives:
                     self.parallel_directives[name] = u"cython.parallel.%s" % name
             elif (len(directive) != 3 or

tests/errors/e_cython_parallel.pyx

@@ -121,6 +121,11 @@ for i in prange(10, nogil=True):
 for pyobj in prange("hello"):
     pass
 
+from cython import parallel
+with nogil, parallel.parallel():
+    for i in parallel.prange(10):
+        pass
+
 _ERRORS = u"""
 e_cython_parallel.pyx:3:8: cython.parallel.parallel is not a module
 e_cython_parallel.pyx:4:0: No such directive: cython.parallel.something