Fix palette

holoviews/core/options.py

@@ -325,7 +325,7 @@ def __getitem__(self, num):
     def _get_values(self):
         if self.values: return self.values
         elif self.key:
-            return self.default_cycles[self.key]
+            return list(self.default_cycles[self.key])
         else:
             raise ValueError("Supply either a key or explicit values.")
 

holoviews/plotting/util.py

@@ -12,7 +12,7 @@
 
 from ..core import (HoloMap, DynamicMap, CompositeOverlay, Layout,
                     Overlay, GridSpace, NdLayout, NdOverlay)
-from ..core.options import Cycle
+from ..core.options import CallbackError, Cycle
 from ..core.ndmapping import item_check
 from ..core.spaces import get_nested_streams
 from ..core.util import (match_spec, wrap_tuple, basestring, get_overlay_spec,
@@ -273,7 +273,7 @@ def get_plot_frame(map_obj, key_map, cached=False):
             return map_obj[key]
         except KeyError:
             return None
-        except StopIteration as e:
+        except (StopIteration, CallbackError) as e:
             raise e
         except Exception:
             print(traceback.format_exc())
@@ -620,7 +620,7 @@ def bokeh_palette_to_palette(cmap, ncolors=None, categorical=False):
         palette = palette(ncolors)
     if reverse: palette = palette[::-1]
 
-    return resample_palette(palette, ncolors, categorical, cmap_categorical)
+    return list(resample_palette(palette, ncolors, categorical, cmap_categorical))
 
 
 def linear_gradient(start_hex, finish_hex, n=10):
@@ -898,8 +898,6 @@ def process_cmap(cmap, ncolors=None, provider=None, categorical=False):
         else:
             raise ValueError("Supplied cmap %s not found among %s colormaps." %
                              (cmap,providers_checked))
-        if isinstance(palette, tuple):
-            palette = list(palette)
     else:
         try:
             # Try processing as matplotlib colormap
@@ -1077,8 +1075,8 @@ def dim_range_key(eldim):
     """
     if isinstance(eldim, dim):
         dim_name = repr(eldim)
-        if dim_name.startswith("'") and dim_name.endswith("'"):
-            dim_name = dim_name[1:-1]
+        if dim_name.startswith("dim('") and dim_name.endswith("')"):
+            dim_name = dim_name[5:-2]
     else:
         dim_name = eldim.name
     return dim_name