small fixes

nifty/plotting/plot.py

@@ -16,8 +16,7 @@ import os
 def _mollweide_helper(xsize):
     xsize = int(xsize)
     ysize = xsize//2
-    res = np.full(shape=(ysize, xsize), fill_value=np.nan,
-                  dtype=np.float64)
+    res = np.full(shape=(ysize, xsize), fill_value=np.nan, dtype=np.float64)
     xc = (xsize-1)*0.5
     yc = (ysize-1)*0.5
     u, v = np.meshgrid(np.arange(xsize), np.arange(ysize))

nifty/utilities.py

@@ -143,7 +143,7 @@ def _fill_upper_half(tmp, res, axes):
 
 def _fill_array(tmp, res, axes):
     if axes is None:
-        axes = range(tmp.ndim)
+        axes = tuple(range(tmp.ndim))
     lastaxis = axes[-1]
     ntmplast = tmp.shape[lastaxis]
     slice1 = [slice(None)]*lastaxis + [slice(0, ntmplast)]