diff --git a/measure_extinction/stardata.py b/measure_extinction/stardata.py
index cd1dd64..d3ec30c 100644
--- a/measure_extinction/stardata.py
+++ b/measure_extinction/stardata.py
@@ -114,7 +114,7 @@ def read_bands(self, lines, only_bands=None):
                 band_name = line[0:eqpos].strip()
 
                 save_band = False
-                if (only_bands is None):
+                if only_bands is None:
                     save_band = True
                 else:
                     if band_name in only_bands:
@@ -965,7 +965,12 @@ class StarData:
     """
 
     def __init__(
-        self, datfile, path="", photonly=False, use_corfac=True, deredden=False,
+        self,
+        datfile,
+        path="",
+        photonly=False,
+        use_corfac=True,
+        deredden=False,
         only_bands=None,
     ):
         """
@@ -1016,7 +1021,7 @@ def read(self, deredden=False, only_bands=None):
            Deredden the data based on dereddening parameters given in the DAT file.
            Generally used to deredden standards.
         only_bands : list
-            Only read in the bands given           
+            Only read in the bands given
         """
 
         # open and read all the lines in the file
diff --git a/measure_extinction/utils/merge_miri_ifu_spec.py b/measure_extinction/utils/merge_miri_ifu_spec.py
index 7bca238..4537c70 100644
--- a/measure_extinction/utils/merge_miri_ifu_spec.py
+++ b/measure_extinction/utils/merge_miri_ifu_spec.py
@@ -88,7 +88,7 @@
         .to(fluxunit, equivalencies=u.spectral_density(ctable["WAVELENGTH"]))
         .value
     )
- 
+
     ax.plot(
         rb_mrs["WAVELENGTH"][gvals].to(u.micron),
         rb_mrs["FLUX"][gvals],
@@ -112,4 +112,4 @@
     elif args.pdf:
         fig.savefig(f"{fname}.pdf")
     else:
-        plt.show()
\ No newline at end of file
+        plt.show()
diff --git a/measure_extinction/utils/merge_nircam_spec.py b/measure_extinction/utils/merge_nircam_spec.py
index 55401e0..9bea778 100644
--- a/measure_extinction/utils/merge_nircam_spec.py
+++ b/measure_extinction/utils/merge_nircam_spec.py
@@ -88,7 +88,7 @@
         .to(fluxunit, equivalencies=u.spectral_density(ctable["WAVELENGTH"]))
         .value
     )
- 
+
     ax.plot(
         rb_mrs["WAVELENGTH"][gvals].to(u.micron),
         rb_mrs["FLUX"][gvals],
@@ -112,4 +112,4 @@
     elif args.pdf:
         fig.savefig(f"{fname}.pdf")
     else:
-        plt.show()
\ No newline at end of file
+        plt.show()