diff --git a/draco/analysis/ringmapmaker.py b/draco/analysis/ringmapmaker.py
index 176e21a70..b91a4fd9e 100644
--- a/draco/analysis/ringmapmaker.py
+++ b/draco/analysis/ringmapmaker.py
@@ -512,7 +512,7 @@ def B(phi, u, sigma):
                 # Get the effective beamwidth for the polarisation combination
                 sig_a = beam_width[pa](freq, dec)
                 sig_b = beam_width[pb](freq, dec)
-                sig = sig_a * sig_b / (sig_a**2 + sig_b**2)**0.5
+                sig = sig_a * sig_b / (sig_a ** 2 + sig_b ** 2) ** 0.5
                 sig_arr = sig[np.newaxis, :, np.newaxis]
 
                 # Calculate the effective beam transfer function at each declination
diff --git a/draco/analysis/transform.py b/draco/analysis/transform.py
index f3fb447a8..8d5a6280a 100644
--- a/draco/analysis/transform.py
+++ b/draco/analysis/transform.py
@@ -218,7 +218,7 @@ def process(self, ss):
             attrs_from=ss,
             distributed=True,
             comm=ss.comm,
-            **output_kwargs
+            **output_kwargs,
         )
 
         # Add gain dataset.
@@ -501,12 +501,11 @@ def process(self, sstream):
         # marray = _make_marray(sstream.vis[:], mmax)
         # marray = mpiarray.MPIArray.wrap(marray[:], axis=freq_axis, comm=sstream.comm)
 
-
         # Assign the visibilities and weights into the container
-        #ma.vis[:] = marray
-        #ma.weight[:] = weight_sum[np.newaxis, np.newaxis, :, :]
+        # ma.vis[:] = marray
+        # ma.weight[:] = weight_sum[np.newaxis, np.newaxis, :, :]
 
-        #ma.redistribute("m")
+        # ma.redistribute("m")
 
         return ma