removed sandbox/solve from flake8 whitelist

theano/sandbox/solve.py

 import warnings
-from theano.tensor.slinalg import solve
+from theano.tensor.slinalg import solve  # noqa
 
 message = ("The module theano.sandbox.solve will soon be deprecated.\n"
            "Please use tensor.slinalg.solve instead.")

theano/tests/test_flake8.py

@@ -86,7 +86,6 @@ whitelist_flake8 = [
     "sandbox/linalg/__init__.py",
     "sandbox/linalg/tests/__init__.py",
     "sandbox/linalg/tests/test_linalg.py",
-    "sandbox/solve.py",
     "scan_module/scan_utils.py",
     "scan_module/scan_views.py",
     "scan_module/scan.py",