Removed np=numpy

theano/gradient.py

@@ -19,7 +19,6 @@ from theano.gof.null_type import NullType, null_type
 from theano.gof.op import get_debug_values
 from theano.compile import ViewOp, FAST_RUN, DebugMode
 
-np = numpy
 __authors__ = "James Bergstra, Razvan Pascanu, Arnaud Bergeron, Ian Goodfellow"
 __copyright__ = "(c) 2011, Universite de Montreal"
 __license__ = "3-clause BSD License"