fix some more flake8 complaints

Author: harpolea

.flake8

@@ -1,4 +1,4 @@
 [flake8]
 max-line-length = 120
-ignore = E126, E127, E128, E129, E226, E241, E265, E741, F401, F403, W504, W291
+ignore = E126, E127, E128, E129, E226, E241, E265, E741, F401, F403, F841, W504, W291
 exclude = docs/,lm_combustion,radhydro

compressible_sr/__init__.py

@@ -5,5 +5,4 @@
 """
 
 __all__ = ["simulation"]
-
-from .simulation import *
+from .simulation import Simulation

compressible_sr/interface.py

@@ -499,7 +499,8 @@ def riemann_cgf(idir, ng,
 
                 v2 = ustar**2 + ut_r**2
                 lambdastar_r = 1.0 / (1.0 - v2*cstar_r**2) * (ustar*(1.0-cstar_r**2) + cstar_r *
-                                      np.sqrt((1.0-v2) * (1.0 - v2*cstar_r**2 - ustar**2*(1.0-cstar_r**2))))
+                                      np.sqrt((1.0-v2) * 
+                                      (1.0 - v2*cstar_r**2 - ustar**2*(1.0-cstar_r**2))))
 
                 if pstar > p_r:
                     # the wave if a shock -- find the shock speed
@@ -749,11 +750,13 @@ def riemann_prim(idir, ng,
                 # define eigenvalues
                 v2 = un_l**2 + ut_l**2
                 lambda_l = 1.0 / (1.0 - v2*c_l**2) * (un_l*(1.0-c_l**2) - c_l *
-                                  np.sqrt((1.0-v2) * (1.0-v2*c_l**2 - un_l**2*(1.0-c_l**2))))
+                                  np.sqrt((1.0-v2) * 
+                                  (1.0-v2*c_l**2 - un_l**2*(1.0-c_l**2))))
 
                 v2 = ustar**2 + ut_l**2
                 lambdastar_l = 1.0 / (1.0 - v2*cstar_l**2) * \
-                    (ustar*(1.0-cstar_l**2) - cstar_l * np.sqrt((1.0-v2) * (1.0-v2*cstar_l**2 - ustar**2*(1.0-cstar_l**2))))
+                    (ustar*(1.0-cstar_l**2) - cstar_l * np.sqrt((1.0-v2) * 
+                    (1.0-v2*cstar_l**2 - ustar**2*(1.0-cstar_l**2))))
 
                 if pstar > p_l:
                     # the wave is a shock -- find the shock speed

setup.py

@@ -11,4 +11,3 @@
       url='https://github.com/python-hydro/pyro2',
       license='BSD',
       install_requires=['numpy', 'numba', 'matplotlib', 'h5py'])
-

util/runparams.py

@@ -52,6 +52,8 @@
 
 # some utility functions to automagically determine what the data
 # types are
+
+
 def is_int(string):
     """ is the given string an interger? """
     try: