misc: Flake8

Author: ZoeLeibowitz

examples/petsc/cfd/01_navierstokes.py

@@ -297,8 +297,3 @@ def neumann_right(eq, subdomain):
 # Pressure norm check
 tol = 1e-3
 assert np.sum((pn1.data[0]-pn1.data[1])**2/np.maximum(pn1.data[0]**2, 1e-10)) < tol
-
-from devito import norm
-print(norm(u1))
-print(norm(v1))
-print(norm(pn1))