Supress warns when inplace CBLAS opts create cycle

theano/tensor/blas_c.py

@@ -471,5 +471,6 @@ optdb.register('c_blas_destructive',
                 make_c_ger_destructive,
                 make_c_gemv_destructive,
             ],
+            failure_callback=EquilibriumOptimizer.warn_inplace,
             max_use_ratio=5),
         70.0, 'fast_run', 'inplace', 'c_blas')

theano/tensor/tests/test_blas.py

@@ -29,6 +29,7 @@ from test_basic import (_approx_eq, as_tensor_variable, inplace_func,
         #, constant, eval_outputs)
 import theano.tensor.blas_scipy
 
+
 if config.mode == 'FAST_COMPILE':
     mode_not_fast_compile = 'FAST_RUN'
 else: