update codestyle-PEP8

observation_sim/psf/PSFGauss.py

@@ -123,4 +123,3 @@ class PSFGauss(PSFModel):
         # return ell, beta, qr
         PSFshear = galsim.Shear(e=ell, beta=beta*galsim.radians)
         return self.psf.shear(PSFshear), PSFshear
-

observation_sim/psf/__init__.py

@@ -3,4 +3,5 @@ from .PSFGauss import PSFGauss
 # from .PSFInterp.PSFInterp import PSFInterp
 from .PSFInterp import PSFInterp
 from .PSFInterpSLS import PSFInterpSLS
-from .FieldDistortion import FieldDistortion
\ No newline at end of file
+from .FieldDistortion import FieldDistortion
+