Make flake8 happier about test.py

test.py

@@ -3,7 +3,7 @@ import numpy.linalg as la
 import pyopencl as cl
 import pyopencl.array  # noqa
 import pyopencl.clrandom  # noqa
-import loopy as lp
+import loopy as lp  # noqa
 import sys
 
 import logging
@@ -41,7 +41,7 @@ def test_compute_flux_derivatives(ctx_factory):
     metrics = f.random_array(ndim, ndim, nx+6, ny+6, nz+6)
     metric_jacobians = f.random_array(nx+6, ny+6, nz+6)
 
-    flux_derivatives = f.compute_flux_derivatives(ctx_factory,
+    f.compute_flux_derivatives(ctx_factory,
             nvars=nvars, ndim=ndim, nx=nx, ny=ny, nz=nz,
             states=states, fluxes=fluxes, metrics=metrics,
             metric_jacobians=metric_jacobians)