Remove unnecessary theano.gof.utils.remove

tests/gof/test_utils.py

 import theano
-from theano.gof.utils import remove
-
-
-def test_remove():
-    def even(x):
-        return x % 2 == 0
-
-    def odd(x):
-        return x % 2 == 1
-
-    # The list are needed as with python 3, remove and filter return generators
-    # and we can't compare generators.
-    assert list(remove(even, range(5))) == list(filter(odd, range(5)))
 
 
 def test_stack_trace():

theano/gof/utils.py

@@ -464,21 +464,6 @@ def flatten(a):
         return [a]
 
 
-def remove(predicate, coll):
-    """
-    Return those items of collection for which predicate(item) is true.
-
-    Examples
-    --------
-    >>> def even(x):
-    ...     return x % 2 == 0
-    >>> remove(even, [1, 2, 3, 4])
-    [1, 3]
-
-    """
-    return [x for x in coll if not predicate(x)]
-
-
 def hash_from_code(msg):
     # hashlib.sha256() requires an object that supports buffer interface,
     # but Python 3 (unicode) strings don't.

theano/scalar/basic_sympy.py

 import itertools as it
 
-from theano.gof.utils import remove
 from theano.scalar.basic import Apply, ScalarOp, as_scalar, float32, float64, int64
 
 
@@ -65,7 +64,7 @@ class SymPyCCode(ScalarOp):
 
     def c_support_code(self):
         c_code = self._sympy_c_code()
-        return "\n".join(remove(include_line, c_code.split("\n")))
+        return "\n".join([x for x in c_code.split("\n") if not include_line(x)])
 
     def c_headers(self):
         c_code = self._sympy_c_code()