diff --git a/glue_astronomy/translators/spectrum1d.py b/glue_astronomy/translators/spectrum1d.py
index a5c6799..75e29c2 100644
--- a/glue_astronomy/translators/spectrum1d.py
+++ b/glue_astronomy/translators/spectrum1d.py
@@ -158,7 +158,8 @@ def _has_homogenous_spectral_solution(self, data):
 
     def to_data(self, obj):
 
-        # specutils 2.0 doesn't care where the spectral axis anymore, but we still need PaddedSpectrumWCS for now
+        # specutils 2.0 doesn't care where the spectral axis anymore, but we still need
+        # PaddedSpectrumWCS for now
         if obj.flux.ndim > 1 and obj.wcs.world_n_dim == 1:
             data = Data(coords=PaddedSpectrumWCS(obj.wcs, obj.flux.ndim, obj.spectral_axis_index))
         else:
@@ -233,17 +234,19 @@ def to_object(self, data_or_subset, attribute=None, statistic='mean'):
                     wcs_args[spectral_axis_index] = np.arange(data.shape[spectral_axis_index])
                     wcs_args.reverse()
                     spectral_and_spatial = data.coords.pixel_to_world(*wcs_args)
-                    spectral_axis = [x for x in spectral_and_spatial if isinstance(x, SpectralCoord)][0]
+                    spectral_axis = [x for x in spectral_and_spatial if isinstance(x, SpectralCoord)][0]  # noqa
                     kwargs = {'spectral_axis': spectral_axis}
 
                 else:
-                    # In this case we should resample the flux onto a common spectral axis before collapsing
-                    warnings.warn("Spectral solution is not the same at all spatial points,"
-                                  " collapsing may give inaccurate results.")
+                    # In this case the flux should be resampled onto a common spectral axis
+                    # before collapsing
+                    warnings.warn('Spectral solution is not the same at all spatial points,'
+                                  ' collapsing may give inaccurate results.')
                     kwargs = {'wcs': data.coords}
             else:
                 # Shouldn't get here anymore, but just in case.
-                raise ValueError('Can only use statistic= if the Data object has a GWCS or FITS WCS')
+                raise ValueError('Can only use statistic= if the Data object has a GWCS'
+                                 ' or FITS WCS')
 
         elif isinstance(data.coords, SpectralCoordinates):