Removing scipy.py file.

theano/sandbox/linalg/tests/test_linalg.py

 import numpy
 
 import theano
-import theano.scipy # To know if scipy is available.
 from theano import tensor, function
 from theano.tensor.basic import _allclose
 
+try:
+    import scipy
+    if scipy.__version__ < '0.7':
+        raise ImportError()
+    use_scipy = True
+except ImportError:
+    use_scipy = False
+
 # The one in comment are not tested...
 from theano.sandbox.linalg.ops import (cholesky,
                                        matrix_inverse,
@@ -75,7 +82,7 @@ def test_inverse_grad():
 
 def test_det_grad():
     # If scipy is not available, this test will fail, thus we skip it.
-    if not theano.scipy.scipy_available:
+    if not use_scipy:
         raise SkipTest('Scipy is not available')
     rng = numpy.random.RandomState(1234)
 

theano/scipy.py

-"""
-This file is used to check if scipy is available. We do it at only one
-place to localise this check. It is to the module to check the scipy
-version.
-"""
-
-try:
-    import scipy
-    scipy_available = True
-except ImportError:
-    scipy_available = False

theano/sparse/__init__.py

 import sys
-import theano.scipy
-
-enable_sparse = False
-if theano.scipy.scipy_available:
+try:
     import scipy
-    if scipy.__version__ >= '0.7':
-        enable_sparse = True
-    else:
-        sys.stderr.write("WARNING: scipy version = %s. We request version >=0.7.0 for the sparse code as it has bugs fixed in the sparse matrix code.\n" % scipy.__version__)
-else:
-    sys.stderr.write("WARNING: scipy can't be imported. We disable the sparse matrix code.")
+    enable_sparse = scipy.__version__ >= '0.7'
+    if not enable_sparse:
+        sys.stderr.write("WARNING: scipy version = %s."
+                " We request version >=0.7.0 for the sparse code as it has"
+                " bugs fixed in the sparse matrix code.\n" % scipy.__version__)
+except ImportError:
+    enable_sparse = False
+    sys.stderr.write("WARNING: scipy can't be imported."
+            " We disable the sparse matrix code.")
 
 if enable_sparse:
     from basic import *