Fix config metadata to use .tag()

Author: jasongrout

config.py

@@ -61,14 +61,14 @@ def _config_changed(self, name, old, new):
         'savefig.dpi': 72,
         # 10pt still needs a little more room on the xlabel:
         'figure.subplot.bottom' : .125
-        }, config=True,
+        }, 
         help="""Subset of matplotlib rcParams that should be different for the
         inline backend."""
-    )
+    ).tag(config=True)
 
-    figure_formats = Set({'png'}, config=True,
+    figure_formats = Set({'png'}, 
                           help="""A set of figure formats to enable: 'png',
-                          'retina', 'jpeg', 'svg', 'pdf'.""")
+                          'retina', 'jpeg', 'svg', 'pdf'.""").tag(config=True)
 
     def _update_figure_formatters(self):
         if self.shell is not None:
@@ -81,22 +81,22 @@ def _figure_formats_changed(self, name, old, new):
                 raise TraitError("Requires PIL/Pillow for JPG figures")
         self._update_figure_formatters()
 
-    figure_format = Unicode(config=True, help="""The figure format to enable (deprecated
-                                         use `figure_formats` instead)""")
+    figure_format = Unicode(help="""The figure format to enable (deprecated
+                                         use `figure_formats` instead)""").tag(config=True)
 
     def _figure_format_changed(self, name, old, new):
         if new:
             self.figure_formats = {new}
 
-    print_figure_kwargs = Dict({'bbox_inches' : 'tight'}, config=True,
+    print_figure_kwargs = Dict({'bbox_inches' : 'tight'}, 
         help="""Extra kwargs to be passed to fig.canvas.print_figure.
 
         Logical examples include: bbox_inches, quality (for jpeg figures), etc.
         """
-    )
+    ).tag(config=True)
     _print_figure_kwargs_changed = _update_figure_formatters
 
-    close_figures = Bool(True, config=True,
+    close_figures = Bool(True, 
         help="""Close all figures at the end of each cell.
 
         When True, ensures that each cell starts with no active figures, but it
@@ -111,7 +111,7 @@ def _figure_format_changed(self, name, old, new):
         iterative editing of figures, and behaves most consistently with
         other matplotlib backends, but figure barriers between cells must
         be explicit.
-        """)
+        """).tag(config=True)
 
     shell = Instance('IPython.core.interactiveshell.InteractiveShellABC',
                      allow_none=True)