[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

gwcs/converters/selector.py

@@ -34,8 +34,7 @@ def from_yaml_tree_transform(self, node, tag, ctx):
             inputs_mapping, models.Mapping
         ):
             msg = (
-                "inputs_mapping must be an instance"
-                "of astropy.modeling.models.Mapping."
+                "inputs_mapping must be an instanceof astropy.modeling.models.Mapping."
             )
             raise TypeError(msg)
         mapper = node["mapper"]

gwcs/converters/spectroscopy.py

@@ -102,7 +102,7 @@ def from_yaml_tree_transform(self, node, tag, ctx):
                 groove_density=groove_density, spectral_order=order
             )
         else:
-            msg = "Can't create a GratingEquation model with " f"output {output}"
+            msg = f"Can't create a GratingEquation model with output {output}"
             raise ValueError(msg)
         return model
 

gwcs/wcs.py

@@ -1998,10 +1998,7 @@ def _to_fits_sip(
         input_axes = sorted(set(input_axes))
 
         if len(input_axes) != 2:
-            msg = (
-                "Only CelestialFrame that correspond to two "
-                "input axes are supported."
-            )
+            msg = "Only CelestialFrame that correspond to two input axes are supported."
             raise ValueError(msg)
 
         # Axis number for FITS axes.
@@ -2407,10 +2404,7 @@ def find_frame(axis_number):
             or max(input_axes) + 1 != n_inputs
             or min(input_axes) < 0
         ):
-            msg = (
-                "Input axes indices are inconsistent with the "
-                "forward transformation."
-            )
+            msg = "Input axes indices are inconsistent with the forward transformation."
             raise ValueError(msg)
 
         if detect_celestial: