use faster module availability tests

nifty/operators/fft_operator/transformations/gllmtransformation.py

@@ -37,7 +37,7 @@ class GLLMTransformation(SlicingTransformation):
         if module != 'pyHealpix':
             raise ValueError("Unsupported SHT module.")
 
-        if 'pyHealpix' not in gdi:
+        if pyHealpix is None:
             raise ImportError(
                 "The module pyHealpix is needed but not available.")
 

nifty/operators/fft_operator/transformations/hplmtransformation.py

@@ -38,7 +38,7 @@ class HPLMTransformation(SlicingTransformation):
         if module != 'pyHealpix':
             raise ValueError("Unsupported SHT module.")
 
-        if 'pyHealpix' not in gdi:
+        if pyHealpix is None:
             raise ImportError(
                 "The module pyHealpix is needed but not available")
 

nifty/operators/fft_operator/transformations/lmgltransformation.py

@@ -37,7 +37,7 @@ class LMGLTransformation(SlicingTransformation):
         if module != 'pyHealpix':
             raise ValueError("Unsupported SHT module.")
 
-        if 'pyHealpix' not in gdi:
+        if pyHealpix is None:
             raise ImportError(
                 "The module pyHealpix is needed but not available.")
 

nifty/operators/fft_operator/transformations/lmhptransformation.py

@@ -36,7 +36,7 @@ class LMHPTransformation(SlicingTransformation):
         if module != 'pyHealpix':
             raise ValueError("Unsupported SHT module.")
 
-        if gdi.get('pyHealpix') is None:
+        if pyHealpix is None:
             raise ImportError(
                 "The module pyHealpix is needed but not available.")
 

nifty/plotting/plots/heatmaps/glmollweide.py

@@ -13,7 +13,7 @@ class GLMollweide(Heatmap):
     def __init__(self, data, xsize=800, color_map=None,
                  webgl=False, smoothing=False):
         # smoothing 'best', 'fast', False
-        if 'pyHealpix' not in gdi:
+        if pyHealpix is None:
             raise ImportError(
                 "The module pyHealpix is needed but not available.")
         self.xsize = xsize

nifty/plotting/plots/heatmaps/hpmollweide.py

@@ -12,7 +12,7 @@ pyHealpix = gdi.get('pyHealpix')
 class HPMollweide(Heatmap):
     def __init__(self, data, xsize=800, color_map=None, webgl=False,
                  smoothing=False):  # smoothing 'best', 'fast', False
-        if 'pyHealpix' not in gdi:
+        if pyHealpix is None:
             raise ImportError(
                 "The module pyHealpix is needed but not available.")
         self.xsize = xsize

nifty/plotting/plotter/plotter_base.py

@@ -31,7 +31,7 @@ class PlotterBase(Loggable, object):
     __metaclass__ = abc.ABCMeta
 
     def __init__(self, interactive=False, path='.', title=""):
-        if 'plotly' not in gdi:
+        if plotly is None:
             raise ImportError("The module plotly is needed but not available.")
         self.interactive = interactive
         self.path = path

nifty/spaces/gl_space/gl_space.py

@@ -45,7 +45,7 @@ class GLSpace(Space):
             Number of latitudinal bins (or rings) that are used for this
             pixelization.
         nlon : int, *optional*
-            Number of longditudinal bins that are used for this pixelization.
+            Number of longitudinal bins that are used for this pixelization.
 
         Attributes
         ----------
@@ -57,7 +57,7 @@ class GLSpace(Space):
             Number of latitudinal bins (or rings) that are used for this
             pixelization.
         nlon : int
-            Number of longditudinal bins that are used for this pixelization.
+            Number of longitudinal bins that are used for this pixelization.
         total_volume : np.float
             The total volume of the space.
         shape : tuple of np.ints
@@ -89,7 +89,7 @@ class GLSpace(Space):
     # ---Overwritten properties and methods---
 
     def __init__(self, nlat, nlon=None):
-        if 'pyHealpix' not in gdi:
+        if pyHealpix is None:
             raise ImportError(
                 "The module pyHealpix is needed but not available.")
 
@@ -163,7 +163,7 @@ class GLSpace(Space):
 
     @property
     def nlon(self):
-        """ Number of longditudinal bins that are used for this pixelization.
+        """ Number of longitudinal bins that are used for this pixelization.
         """
 
         return self._nlon