prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Dont use traitsui.api as tui
  https://github.com/enthought/chaco/blob/3de7780561fa29e79c887432d3ce408ea82d1614/chaco/plugin/plot_editor.py makes use of the odd `import traitsui.api as tui` alias which needs to be updated and removed.
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `chaco/plugin/plot_editor.py`
  Content:
  ```
  1 from chaco.shell.scaly_plot import ScalyPlot
  2 from enable.component_editor import ComponentEditor
  3 from pyface.workbench.api import TraitsUIEditor
  4 from traits.api import Any, Enum, HasTraits, Property, Str
  5 from traitsui import api as tui
  6 
  7 
  8 class PlotUI(HasTraits):
  9     """Simple Traits UI proxy for a Chaco plot."""
  10 
  11     # The plot.
  12     component = Any()
  13 
  14     traits_view = tui.View(
  15         tui.Item("component", editor=ComponentEditor(), show_label=False),
  16         resizable=True,
  17     )
  18 
  19 
  20 class PlotEditor(TraitsUIEditor):
  21     """A Workbench Editor showing a Chaco plot for the shell interface."""
  22 
  23     bgcolor = Str("white")
  24     image_default_origin = Enum(
  25         "bottom left", "top left", "bottom right", "top right"
  26     )
  27 
  28     # The plot.
  29     component = Property(Any)
  30     container = Property(Any)
  31 
  32     # The PlotData.
  33     data = Any()
  34 
  35     # The PlotSession of which we are a part.  We need to know this in order
  36     # to notify it of our being closed, etc.
  37     session = Any()
  38 
  39     def __init__(
  40         self,
  41         is_image=False,
  42         bgcolor="white",
  43         image_default_origin="top left",
  44         *args,
  45         **kw
  46     ):
  47 
  48         super(TraitsUIEditor, self).__init__(**kw)
  49 
  50         # Some defaults which should be overridden by preferences.
  51         self.bgcolor = bgcolor
  52         self.image_default_origin = image_default_origin
  53 
  54         # Create an empty top-level container
  55         if is_image:
  56             top_container = self._create_top_img_container()
  57         else:
  58             top_container = self._create_top_container()
  59 
  60         self.obj = PlotUI(component=top_container)
  61 
  62     #### PlotWindow interface ##################################################
  63 
  64     def get_container(self):
  65         return self.obj.component
  66 
  67     def set_container(self, container):
  68         self.obj.component = container
  69 
  70     def iconize(self, iconize):
  71         """Iconizes the window if *iconize* is True.
  72 
  73         Do nothing in this implementation.
  74         """
  75 
  76     def maximize(self, maximize):
  77         """If *maximize* is True, maximizes the window size; restores if False.
  78 
  79         Do nothing in this implementation.
  80         """
  81 
  82     def set_size(self, width, height):
  83         pass
  84 
  85     def set_title(self, title):
  86         self.name = title
  87 
  88     def raise_window(self):
  89         self.window.activate_editor(self)
  90 
  91     #### Editor interface ######################################################
  92 
  93     def destroy_control(self):
  94         """Destroy the toolkit-specific control that represents the part."""
  95         self._on_window_close()
  96         super(TraitsUIEditor, self).destroy_control()
  97 
  98     #### Private interface #####################################################
  99 
  100     def _get_container(self):
  101         return self.obj.component
  102 
  103     def _set_container(self, value):
  104         self.obj.component = value
  105 
  106     def _get_component(self):
  107         return self.obj.component
  108 
  109     def _set_component(self, value):
  110         self.obj.component = value
  111 
  112     def _create_top_container(self):
  113         plot = ScalyPlot(
  114             padding=50,
  115             fill_padding=True,
  116             bgcolor=self.bgcolor,
  117             use_backbuffer=True,
  118         )
  119         return plot
  120 
  121     def _create_top_img_container(self):
  122         plot = ScalyPlot(
  123             padding=50,
  124             fill_padding=True,
  125             bgcolor=self.bgcolor,
  126             use_backbuffer=True,
  127             default_origin=self.image_default_origin,
  128         )
  129         return plot
  130 
  131     def _on_window_close(self):
  132         if self.session:
  133             try:
  134                 ndx = self.session.windows.index(self)
  135                 self.session.del_window(ndx)
  136             except ValueError:
  137                 pass
  138
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/chaco/plugin/plot_editor.py b/chaco/plugin/plot_editor.py
  --- a/chaco/plugin/plot_editor.py
  +++ b/chaco/plugin/plot_editor.py
  @@ -2,7 +2,7 @@
   from enable.component_editor import ComponentEditor
   from pyface.workbench.api import TraitsUIEditor
   from traits.api import Any, Enum, HasTraits, Property, Str
  -from traitsui import api as tui
  +from traitsui.api import Item, View
   
   
   class PlotUI(HasTraits):
  @@ -11,8 +11,8 @@
       # The plot.
       component = Any()
   
  -    traits_view = tui.View(
  -        tui.Item("component", editor=ComponentEditor(), show_label=False),
  +    traits_view = View(
  +        Item("component", editor=ComponentEditor(), show_label=False),
           resizable=True,
       )
  
verification_info: {"golden_diff": "diff --git a/chaco/plugin/plot_editor.py b/chaco/plugin/plot_editor.py\n--- a/chaco/plugin/plot_editor.py\n+++ b/chaco/plugin/plot_editor.py\n@@ -2,7 +2,7 @@\n from enable.component_editor import ComponentEditor\n from pyface.workbench.api import TraitsUIEditor\n from traits.api import Any, Enum, HasTraits, Property, Str\n-from traitsui import api as tui\n+from traitsui.api import Item, View\n \n \n class PlotUI(HasTraits):\n@@ -11,8 +11,8 @@\n     # The plot.\n     component = Any()\n \n-    traits_view = tui.View(\n-        tui.Item(\"component\", editor=ComponentEditor(), show_label=False),\n+    traits_view = View(\n+        Item(\"component\", editor=ComponentEditor(), show_label=False),\n         resizable=True,\n     )\n", "issue": "Dont use traitsui.api as tui\nhttps://github.com/enthought/chaco/blob/3de7780561fa29e79c887432d3ce408ea82d1614/chaco/plugin/plot_editor.py makes use of the odd `import traitsui.api as tui` alias which needs to be updated and removed.\n", "before_files": [{"content": "from chaco.shell.scaly_plot import ScalyPlot\nfrom enable.component_editor import ComponentEditor\nfrom pyface.workbench.api import TraitsUIEditor\nfrom traits.api import Any, Enum, HasTraits, Property, Str\nfrom traitsui import api as tui\n\n\nclass PlotUI(HasTraits):\n    \"\"\"Simple Traits UI proxy for a Chaco plot.\"\"\"\n\n    # The plot.\n    component = Any()\n\n    traits_view = tui.View(\n        tui.Item(\"component\", editor=ComponentEditor(), show_label=False),\n        resizable=True,\n    )\n\n\nclass PlotEditor(TraitsUIEditor):\n    \"\"\"A Workbench Editor showing a Chaco plot for the shell interface.\"\"\"\n\n    bgcolor = Str(\"white\")\n    image_default_origin = Enum(\n        \"bottom left\", \"top left\", \"bottom right\", \"top right\"\n    )\n\n    # The plot.\n    component = Property(Any)\n    container = Property(Any)\n\n    # The PlotData.\n    data = Any()\n\n    # The PlotSession of which we are a part.  We need to know this in order\n    # to notify it of our being closed, etc.\n    session = Any()\n\n    def __init__(\n        self,\n        is_image=False,\n        bgcolor=\"white\",\n        image_default_origin=\"top left\",\n        *args,\n        **kw\n    ):\n\n        super(TraitsUIEditor, self).__init__(**kw)\n\n        # Some defaults which should be overridden by preferences.\n        self.bgcolor = bgcolor\n        self.image_default_origin = image_default_origin\n\n        # Create an empty top-level container\n        if is_image:\n            top_container = self._create_top_img_container()\n        else:\n            top_container = self._create_top_container()\n\n        self.obj = PlotUI(component=top_container)\n\n    #### PlotWindow interface ##################################################\n\n    def get_container(self):\n        return self.obj.component\n\n    def set_container(self, container):\n        self.obj.component = container\n\n    def iconize(self, iconize):\n        \"\"\"Iconizes the window if *iconize* is True.\n\n        Do nothing in this implementation.\n        \"\"\"\n\n    def maximize(self, maximize):\n        \"\"\"If *maximize* is True, maximizes the window size; restores if False.\n\n        Do nothing in this implementation.\n        \"\"\"\n\n    def set_size(self, width, height):\n        pass\n\n    def set_title(self, title):\n        self.name = title\n\n    def raise_window(self):\n        self.window.activate_editor(self)\n\n    #### Editor interface ######################################################\n\n    def destroy_control(self):\n        \"\"\"Destroy the toolkit-specific control that represents the part.\"\"\"\n        self._on_window_close()\n        super(TraitsUIEditor, self).destroy_control()\n\n    #### Private interface #####################################################\n\n    def _get_container(self):\n        return self.obj.component\n\n    def _set_container(self, value):\n        self.obj.component = value\n\n    def _get_component(self):\n        return self.obj.component\n\n    def _set_component(self, value):\n        self.obj.component = value\n\n    def _create_top_container(self):\n        plot = ScalyPlot(\n            padding=50,\n            fill_padding=True,\n            bgcolor=self.bgcolor,\n            use_backbuffer=True,\n        )\n        return plot\n\n    def _create_top_img_container(self):\n        plot = ScalyPlot(\n            padding=50,\n            fill_padding=True,\n            bgcolor=self.bgcolor,\n            use_backbuffer=True,\n            default_origin=self.image_default_origin,\n        )\n        return plot\n\n    def _on_window_close(self):\n        if self.session:\n            try:\n                ndx = self.session.windows.index(self)\n                self.session.del_window(ndx)\n            except ValueError:\n                pass\n", "path": "chaco/plugin/plot_editor.py"}], "after_files": [{"content": "from chaco.shell.scaly_plot import ScalyPlot\nfrom enable.component_editor import ComponentEditor\nfrom pyface.workbench.api import TraitsUIEditor\nfrom traits.api import Any, Enum, HasTraits, Property, Str\nfrom traitsui.api import Item, View\n\n\nclass PlotUI(HasTraits):\n    \"\"\"Simple Traits UI proxy for a Chaco plot.\"\"\"\n\n    # The plot.\n    component = Any()\n\n    traits_view = View(\n        Item(\"component\", editor=ComponentEditor(), show_label=False),\n        resizable=True,\n    )\n\n\nclass PlotEditor(TraitsUIEditor):\n    \"\"\"A Workbench Editor showing a Chaco plot for the shell interface.\"\"\"\n\n    bgcolor = Str(\"white\")\n    image_default_origin = Enum(\n        \"bottom left\", \"top left\", \"bottom right\", \"top right\"\n    )\n\n    # The plot.\n    component = Property(Any)\n    container = Property(Any)\n\n    # The PlotData.\n    data = Any()\n\n    # The PlotSession of which we are a part.  We need to know this in order\n    # to notify it of our being closed, etc.\n    session = Any()\n\n    def __init__(\n        self,\n        is_image=False,\n        bgcolor=\"white\",\n        image_default_origin=\"top left\",\n        *args,\n        **kw\n    ):\n\n        super(TraitsUIEditor, self).__init__(**kw)\n\n        # Some defaults which should be overridden by preferences.\n        self.bgcolor = bgcolor\n        self.image_default_origin = image_default_origin\n\n        # Create an empty top-level container\n        if is_image:\n            top_container = self._create_top_img_container()\n        else:\n            top_container = self._create_top_container()\n\n        self.obj = PlotUI(component=top_container)\n\n    #### PlotWindow interface ##################################################\n\n    def get_container(self):\n        return self.obj.component\n\n    def set_container(self, container):\n        self.obj.component = container\n\n    def iconize(self, iconize):\n        \"\"\"Iconizes the window if *iconize* is True.\n\n        Do nothing in this implementation.\n        \"\"\"\n\n    def maximize(self, maximize):\n        \"\"\"If *maximize* is True, maximizes the window size; restores if False.\n\n        Do nothing in this implementation.\n        \"\"\"\n\n    def set_size(self, width, height):\n        pass\n\n    def set_title(self, title):\n        self.name = title\n\n    def raise_window(self):\n        self.window.activate_editor(self)\n\n    #### Editor interface ######################################################\n\n    def destroy_control(self):\n        \"\"\"Destroy the toolkit-specific control that represents the part.\"\"\"\n        self._on_window_close()\n        super(TraitsUIEditor, self).destroy_control()\n\n    #### Private interface #####################################################\n\n    def _get_container(self):\n        return self.obj.component\n\n    def _set_container(self, value):\n        self.obj.component = value\n\n    def _get_component(self):\n        return self.obj.component\n\n    def _set_component(self, value):\n        self.obj.component = value\n\n    def _create_top_container(self):\n        plot = ScalyPlot(\n            padding=50,\n            fill_padding=True,\n            bgcolor=self.bgcolor,\n            use_backbuffer=True,\n        )\n        return plot\n\n    def _create_top_img_container(self):\n        plot = ScalyPlot(\n            padding=50,\n            fill_padding=True,\n            bgcolor=self.bgcolor,\n            use_backbuffer=True,\n            default_origin=self.image_default_origin,\n        )\n        return plot\n\n    def _on_window_close(self):\n        if self.session:\n            try:\n                ndx = self.session.windows.index(self)\n                self.session.del_window(ndx)\n            except ValueError:\n                pass\n", "path": "chaco/plugin/plot_editor.py"}]}