Clean up ipystartup (#201)

* Clean up ipystartup

* Fix flake

nbsite/cmd.py

@@ -207,7 +207,7 @@ def generate_rst(
     paths=_prepare_paths(project_root,examples=examples,doc=doc)
 
     print("Project='%s': Converting notebooks at '%s' to rst at '%s'..."%(project_name,paths['examples'],paths['doc']))
-    for filename in glob.iglob(os.path.join(paths['examples'],"**","*.ipynb"), recursive=True):
+    for filename in glob.iglob(os.path.abspath(os.path.join(paths['examples'],"**","*.ipynb")), recursive=True):
         relpath = os.path.relpath(filename, paths['examples'])
         # TODO: decide what to do about gallery later
         if relpath.startswith('gallery'):

nbsite/ipystartup.py

@@ -5,15 +5,12 @@
 mpl.use('agg')
 
 try:
-    import holoviews.plotting.widgets as hw
-    hw.NdWidget.export_json=True
-    hw.NdWidget.json_load_path = './'
-    hw.NdWidget.json_save_path = './'
-    del hw
+    import holoviews.plotting.bokeh # noqa
 except:
     pass
 
-import holoviews.plotting.mpl as hmpl
-hmpl.MPLPlot.fig_alpha = 0
-del hmpl
-
+try:
+    import holoviews.plotting.mpl as hmpl
+    hmpl.MPLPlot.fig_alpha = 0
+except:
+    pass