diff --git a/nifty2go/plotting/plot.py b/nifty2go/plotting/plot.py
index de5c2c1797f8b9d43656e21b90ffbc901335506e..7f01d09a11f43808f3af0dbee5437f7b40b11bdb 100644
--- a/nifty2go/plotting/plot.py
+++ b/nifty2go/plotting/plot.py
@@ -82,6 +82,7 @@ def _limit_xy(**kwargs):
         y2 = kwargs.get("ymax")
     plt.axis((x1, x2, y1, y2))
 
+
 def _register_cmaps():
     try:
         if _register_cmaps._cmaps_registered:
@@ -91,45 +92,45 @@ def _register_cmaps():
 
     from matplotlib.colors import LinearSegmentedColormap
     import matplotlib.pyplot as plt
-    planckcmap = {'red':  ((0.0, 0.0, 0.0),
-                           (0.4, 0.0, 0.0),
-                           (0.5, 1.0, 1.0),
-                           (0.7, 1.0, 1.0),
-                           (0.8, 0.83, 0.83),
-                           (0.9, 0.67, 0.67),
-                           (1.0, 0.5, 0.5)),
-                  'green':((0.0, 0.0, 0.0),
-                           (0.2, 0.0, 0.0),
-                           (0.3, 0.3, 0.3),
-                           (0.4, 0.7, 0.7),
-                           (0.5, 1.0, 1.0),
-                           (0.6, 0.7, 0.7),
-                           (0.7, 0.3, 0.3),
-                           (0.8, 0.0, 0.0),
-                           (1.0, 0.0, 0.0)),
-                  'blue': ((0.0, 0.5, 0.5),
-                           (0.1, 0.67, 0.67),
-                           (0.2, 0.83, 0.83),
-                           (0.3, 1.0, 1.0),
-                           (0.5, 1.0, 1.0),
-                           (0.6, 0.0, 0.0),
-                           (1.0, 0.0, 0.0)) }
-    he_cmap = { 'red':  ((0.0, 0.0, 0.0),
+    planckcmap = {'red':   ((0.0, 0.0, 0.0),
+                            (0.4, 0.0, 0.0),
+                            (0.5, 1.0, 1.0),
+                            (0.7, 1.0, 1.0),
+                            (0.8, 0.83, 0.83),
+                            (0.9, 0.67, 0.67),
+                            (1.0, 0.5, 0.5)),
+                  'green': ((0.0, 0.0, 0.0),
+                            (0.2, 0.0, 0.0),
+                            (0.3, 0.3, 0.3),
+                            (0.4, 0.7, 0.7),
+                            (0.5, 1.0, 1.0),
+                            (0.6, 0.7, 0.7),
+                            (0.7, 0.3, 0.3),
+                            (0.8, 0.0, 0.0),
+                            (1.0, 0.0, 0.0)),
+                  'blue':  ((0.0, 0.5, 0.5),
+                            (0.1, 0.67, 0.67),
+                            (0.2, 0.83, 0.83),
+                            (0.3, 1.0, 1.0),
+                            (0.5, 1.0, 1.0),
+                            (0.6, 0.0, 0.0),
+                            (1.0, 0.0, 0.0))}
+    he_cmap = {'red':   ((0.0, 0.0, 0.0),
                          (0.167, 0.0, 0.0),
                          (0.333, 0.5, 0.5),
                          (0.5, 1.0, 1.0),
                          (1.0, 1.0, 1.0)),
-                'green':((0.0, 0.0, 0.0),
+               'green': ((0.0, 0.0, 0.0),
                          (0.5, 0.0, 0.0),
                          (0.667, 0.5, 0.5),
                          (0.833, 1.0, 1.0),
                          (1.0, 1.0, 1.0)),
-                'blue': ((0.0, 0.0, 0.0),
+               'blue':  ((0.0, 0.0, 0.0),
                          (0.167, 1.0, 1.0),
                          (0.333, 0.5, 0.5),
                          (0.5, 0.0, 0.0),
-                         (1.0, 1.0, 1.0)) }
-    fd_cmap = { 'red':  ((0.0, 0.35, 0.35),
+                         (1.0, 1.0, 1.0))}
+    fd_cmap = {'red':   ((0.0, 0.35, 0.35),
                          (0.1, 0.4, 0.4),
                          (0.2, 0.25, 0.25),
                          (0.41, 0.47, 0.47),
@@ -140,7 +141,7 @@ def _register_cmaps():
                          (0.8, 0.8, 0.8),
                          (0.9, 0.5, 0.5),
                          (1.0, 0.4, 0.4)),
-                'green':((0.0, 0.0, 0.0),
+               'green': ((0.0, 0.0, 0.0),
                          (0.2, 0.0, 0.0),
                          (0.362, 0.88, 0.88),
                          (0.5, 1.0, 1.0),
@@ -148,7 +149,7 @@ def _register_cmaps():
                          (0.8, 0.25, 0.25),
                          (0.9, 0.3, 0.3),
                          (1.0, 0.2, 0.2)),
-                'blue': ((0.0, 0.35, 0.35),
+               'blue':  ((0.0, 0.35, 0.35),
                          (0.1, 0.4, 0.4),
                          (0.2, 0.8, 0.8),
                          (0.26, 0.8, 0.8),
@@ -157,43 +158,43 @@ def _register_cmaps():
                          (0.5, 0.8, 0.8),
                          (0.59, 0.47, 0.47),
                          (0.8, 0.0, 0.0),
-                         (1.0, 0.0, 0.0)) }
-    fdu_cmap= { 'red':  ((0.0, 1.0, 1.0),
-                         (0.1, 0.8, 0.8),
-                         (0.2, 0.65, 0.65),
-                         (0.41, 0.6, 0.6),
-                         (0.5, 0.7, 0.7),
-                         (0.56, 0.96, 0.96),
-                         (0.59, 1.0, 1.0),
-                         (0.74, 0.8, 0.8),
-                         (0.8, 0.8, 0.8),
-                         (0.9, 0.5, 0.5),
-                         (1.0, 0.4, 0.4)),
-                'green':((0.0, 0.9, 0.9),
-                         (0.2, 0.65, 0.65),
-                         (0.362, 0.95, 0.95),
-                         (0.5, 1.0, 1.0),
-                         (0.638, 0.88, 0.88),
-                         (0.8, 0.25, 0.25),
-                         (0.9, 0.3, 0.3),
-                         (1.0, 0.2, 0.2)),
-                'blue': ((0.0, 1.0, 1.0),
-                         (0.1, 0.8, 0.8),
-                         (0.2, 1.0, 1.0),
-                         (0.41, 1.0, 1.0),
-                         (0.44, 0.96, 0.96),
-                         (0.5, 0.7, 0.7),
-                         (0.59, 0.42, 0.42),
-                         (0.8, 0.0, 0.0),
-                         (1.0, 0.0, 0.0)) }
-    pm_cmap = { 'red':  ((0.0, 1.0, 1.0),
+                         (1.0, 0.0, 0.0))}
+    fdu_cmap = {'red':   ((0.0, 1.0, 1.0),
+                          (0.1, 0.8, 0.8),
+                          (0.2, 0.65, 0.65),
+                          (0.41, 0.6, 0.6),
+                          (0.5, 0.7, 0.7),
+                          (0.56, 0.96, 0.96),
+                          (0.59, 1.0, 1.0),
+                          (0.74, 0.8, 0.8),
+                          (0.8, 0.8, 0.8),
+                          (0.9, 0.5, 0.5),
+                          (1.0, 0.4, 0.4)),
+                'green': ((0.0, 0.9, 0.9),
+                          (0.2, 0.65, 0.65),
+                          (0.362, 0.95, 0.95),
+                          (0.5, 1.0, 1.0),
+                          (0.638, 0.88, 0.88),
+                          (0.8, 0.25, 0.25),
+                          (0.9, 0.3, 0.3),
+                          (1.0, 0.2, 0.2)),
+                'blue':  ((0.0, 1.0, 1.0),
+                          (0.1, 0.8, 0.8),
+                          (0.2, 1.0, 1.0),
+                          (0.41, 1.0, 1.0),
+                          (0.44, 0.96, 0.96),
+                          (0.5, 0.7, 0.7),
+                          (0.59, 0.42, 0.42),
+                          (0.8, 0.0, 0.0),
+                          (1.0, 0.0, 0.0))}
+    pm_cmap = {'red':   ((0.0, 1.0, 1.0),
                          (0.1, 0.96, 0.96),
                          (0.2, 0.84, 0.84),
                          (0.3, 0.64, 0.64),
                          (0.4, 0.36, 0.36),
                          (0.5, 0.0, 0.0),
                          (1.0, 0.0, 0.0)),
-                'green':((0.0, 0.5, 0.5),
+               'green': ((0.0, 0.5, 0.5),
                          (0.1, 0.32, 0.32),
                          (0.2, 0.18, 0.18),
                          (0.3, 0.08, 0.08),
@@ -204,18 +205,19 @@ def _register_cmaps():
                          (0.8, 0.18, 0.18),
                          (0.9, 0.32, 0.32),
                          (1.0, 0.5, 0.5)),
-                'blue': ((0.0, 0.0, 0.0),
+               'blue':  ((0.0, 0.0, 0.0),
                          (0.5, 0.0, 0.0),
                          (0.6, 0.36, 0.36),
                          (0.7, 0.64, 0.64),
                          (0.8, 0.84, 0.84),
                          (0.9, 0.96, 0.96),
-                         (1.0, 1.0, 1.0)) }
+                         (1.0, 1.0, 1.0))}
 
     plt.register_cmap(cmap=LinearSegmentedColormap("Planck-like", planckcmap))
     plt.register_cmap(cmap=LinearSegmentedColormap("High Energy", he_cmap))
     plt.register_cmap(cmap=LinearSegmentedColormap("Faraday Map", fd_cmap))
-    plt.register_cmap(cmap=LinearSegmentedColormap("Faraday Uncertainty", fdu_cmap))
+    plt.register_cmap(cmap=LinearSegmentedColormap("Faraday Uncertainty",
+                                                   fdu_cmap))
     plt.register_cmap(cmap=LinearSegmentedColormap("Plus Minus", pm_cmap))
 
 
diff --git a/nifty2go/spaces/power_space/power_space.py b/nifty2go/spaces/power_space/power_space.py
index 62657069f5e3a37b85d6f9b88f6d6743ae124aa5..f07baa84c172f1505005090c875204699b0265bd 100644
--- a/nifty2go/spaces/power_space/power_space.py
+++ b/nifty2go/spaces/power_space/power_space.py
@@ -156,8 +156,7 @@ class PowerSpace(Space):
 
         key = (harmonic_partner, binbounds)
         if self._powerIndexCache.get(key) is None:
-            distance_array = \
-                self.harmonic_partner.get_distance_array()
+            distance_array = self.harmonic_partner.get_distance_array()
             temp_pindex = self._compute_pindex(
                                 harmonic_partner=self.harmonic_partner,
                                 distance_array=distance_array,