We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Button behavior has a property MIN_STATE_TIME
This property can't be used in kv cause of the uppercase.


--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `kivy/uix/behaviors/button.py`
Content:
```
1 '''See :class:`ButtonBehavior` for details.
2 '''
3 
4 __all__ = ('ButtonBehavior', )
5 
6 from kivy.clock import Clock
7 from kivy.properties import OptionProperty, ObjectProperty, BooleanProperty
8 from time import time
9 
10 
11 class ButtonBehavior(object):
12     '''
13     This `mixin <https://en.wikipedia.org/wiki/Mixin>`_ class provides
14     :class:`~kivy.uix.button.Button` behavior.
15 
16     :Events:
17         `on_press`
18             Fired when the button is pressed.
19         `on_release`
20             Fired when the button is released (i.e. the touch/click that
21             pressed the button goes away).
22     '''
23 
24     state = OptionProperty('normal', options=('normal', 'down'))
25     '''The state of the button, must be one of 'normal' or 'down'.
26     The state is 'down' only when the button is currently touched/clicked,
27     otherwise its 'normal'.
28 
29     :attr:`state` is an :class:`~kivy.properties.OptionProperty` and defaults
30     to 'normal'.
31     '''
32 
33     last_touch = ObjectProperty(None)
34     '''Contains the last relevant touch received by the Button. This can
35     be used in `on_press` or `on_release` in order to know which touch
36     dispatched the event.
37 
38     .. versionadded:: 1.8.0
39 
40     :attr:`last_touch` is a :class:`~kivy.properties.ObjectProperty` and
41     defaults to `None`.
42     '''
43 
44     MIN_STATE_TIME = 0.035
45     '''The minimum period of time which the widget must remain in the
46     `'down'` state.
47 
48     :attr:`MIN_STATE_TIME` is a float and defaults to 0.035.
49     '''
50 
51     always_release = BooleanProperty(True)
52     '''This determines whether or not the widget fires an `on_release` event if
53     the touch_up is outside the widget.
54 
55     .. versionadded:: 1.9.0
56 
57     :attr:`always_release` is a :class:`~kivy.properties.BooleanProperty` and
58     defaults to `True`.
59     '''
60 
61     def __init__(self, **kwargs):
62         self.register_event_type('on_press')
63         self.register_event_type('on_release')
64         super(ButtonBehavior, self).__init__(**kwargs)
65         self.__state_event = None
66         self.__touch_time = None
67         self.fbind('state', self.cancel_event)
68 
69     def _do_press(self):
70         self.state = 'down'
71 
72     def _do_release(self, *args):
73         self.state = 'normal'
74 
75     def cancel_event(self, *args):
76         if self.__state_event:
77             self.__state_event.cancel()
78             self.__state_event = None
79 
80     def on_touch_down(self, touch):
81         if super(ButtonBehavior, self).on_touch_down(touch):
82             return True
83         if touch.is_mouse_scrolling:
84             return False
85         if not self.collide_point(touch.x, touch.y):
86             return False
87         if self in touch.ud:
88             return False
89         touch.grab(self)
90         touch.ud[self] = True
91         self.last_touch = touch
92         self.__touch_time = time()
93         self._do_press()
94         self.dispatch('on_press')
95         return True
96 
97     def on_touch_move(self, touch):
98         if touch.grab_current is self:
99             return True
100         if super(ButtonBehavior, self).on_touch_move(touch):
101             return True
102         return self in touch.ud
103 
104     def on_touch_up(self, touch):
105         if touch.grab_current is not self:
106             return super(ButtonBehavior, self).on_touch_up(touch)
107         assert(self in touch.ud)
108         touch.ungrab(self)
109         self.last_touch = touch
110 
111         if (not self.always_release
112                 and not self.collide_point(*touch.pos)):
113             self.state = 'normal'
114             return
115 
116         touchtime = time() - self.__touch_time
117         if touchtime < self.MIN_STATE_TIME:
118             self.__state_event = Clock.schedule_once(
119                 self._do_release, self.MIN_STATE_TIME - touchtime)
120         else:
121             self._do_release()
122         self.dispatch('on_release')
123         return True
124 
125     def on_press(self):
126         pass
127 
128     def on_release(self):
129         pass
130 
131     def trigger_action(self, duration=0.1):
132         '''Trigger whatever action(s) have been bound to the button by calling
133         both the on_press and on_release callbacks.
134 
135         This simulates a quick button press without using any touch events.
136 
137         Duration is the length of the press in seconds. Pass 0 if you want
138         the action to happen instantly.
139 
140         .. versionadded:: 1.8.0
141         '''
142         self._do_press()
143         self.dispatch('on_press')
144 
145         def trigger_release(dt):
146             self._do_release()
147             self.dispatch('on_release')
148         if not duration:
149             trigger_release(0)
150         else:
151             Clock.schedule_once(trigger_release, duration)
152
```
--- 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()

```

diff --git a/kivy/uix/behaviors/button.py b/kivy/uix/behaviors/button.py
--- a/kivy/uix/behaviors/button.py
+++ b/kivy/uix/behaviors/button.py
@@ -4,8 +4,10 @@
 __all__ = ('ButtonBehavior', )
 
 from kivy.clock import Clock
-from kivy.properties import OptionProperty, ObjectProperty, BooleanProperty
+from kivy.properties import OptionProperty, ObjectProperty, \
+    BooleanProperty, NumericProperty, AliasProperty
 from time import time
+from kivy.logger import Logger
 
 
 class ButtonBehavior(object):
@@ -41,13 +43,26 @@
     defaults to `None`.
     '''
 
-    MIN_STATE_TIME = 0.035
+    min_state_time = NumericProperty(0.035)
     '''The minimum period of time which the widget must remain in the
     `'down'` state.
 
-    :attr:`MIN_STATE_TIME` is a float and defaults to 0.035.
+    :attr:`min_state_time` is a float and defaults to 0.035.
     '''
 
+    def _set_min_state_time(self, value):
+        Logger.warning(
+            'MIN_STATE_TIME is deprecated, use min_state_time instead')
+        self.min_state_time = value
+
+    def _get_min_state_time(self):
+        Logger.warning(
+            'MIN_STATE_TIME is deprecated, use min_state_time instead')
+        return self.min_state_time
+
+    MIN_STATE_TIME = AliasProperty(
+        _get_min_state_time, _set_min_state_time, bind=('min_state_time', ))
+
     always_release = BooleanProperty(True)
     '''This determines whether or not the widget fires an `on_release` event if
     the touch_up is outside the widget.

{"golden_diff": "diff --git a/kivy/uix/behaviors/button.py b/kivy/uix/behaviors/button.py\n--- a/kivy/uix/behaviors/button.py\n+++ b/kivy/uix/behaviors/button.py\n@@ -4,8 +4,10 @@\n __all__ = ('ButtonBehavior', )\n \n from kivy.clock import Clock\n-from kivy.properties import OptionProperty, ObjectProperty, BooleanProperty\n+from kivy.properties import OptionProperty, ObjectProperty, \\\n+    BooleanProperty, NumericProperty, AliasProperty\n from time import time\n+from kivy.logger import Logger\n \n \n class ButtonBehavior(object):\n@@ -41,13 +43,26 @@\n     defaults to `None`.\n     '''\n \n-    MIN_STATE_TIME = 0.035\n+    min_state_time = NumericProperty(0.035)\n     '''The minimum period of time which the widget must remain in the\n     `'down'` state.\n \n-    :attr:`MIN_STATE_TIME` is a float and defaults to 0.035.\n+    :attr:`min_state_time` is a float and defaults to 0.035.\n     '''\n \n+    def _set_min_state_time(self, value):\n+        Logger.warning(\n+            'MIN_STATE_TIME is deprecated, use min_state_time instead')\n+        self.min_state_time = value\n+\n+    def _get_min_state_time(self):\n+        Logger.warning(\n+            'MIN_STATE_TIME is deprecated, use min_state_time instead')\n+        return self.min_state_time\n+\n+    MIN_STATE_TIME = AliasProperty(\n+        _get_min_state_time, _set_min_state_time, bind=('min_state_time', ))\n+\n     always_release = BooleanProperty(True)\n     '''This determines whether or not the widget fires an `on_release` event if\n     the touch_up is outside the widget.\n", "issue": "Button behavior has a property MIN_STATE_TIME\nThis property can't be used in kv cause of the uppercase.\n\n", "before_files": [{"content": "'''See :class:`ButtonBehavior` for details.\n'''\n\n__all__ = ('ButtonBehavior', )\n\nfrom kivy.clock import Clock\nfrom kivy.properties import OptionProperty, ObjectProperty, BooleanProperty\nfrom time import time\n\n\nclass ButtonBehavior(object):\n    '''\n    This `mixin <https://en.wikipedia.org/wiki/Mixin>`_ class provides\n    :class:`~kivy.uix.button.Button` behavior.\n\n    :Events:\n        `on_press`\n            Fired when the button is pressed.\n        `on_release`\n            Fired when the button is released (i.e. the touch/click that\n            pressed the button goes away).\n    '''\n\n    state = OptionProperty('normal', options=('normal', 'down'))\n    '''The state of the button, must be one of 'normal' or 'down'.\n    The state is 'down' only when the button is currently touched/clicked,\n    otherwise its 'normal'.\n\n    :attr:`state` is an :class:`~kivy.properties.OptionProperty` and defaults\n    to 'normal'.\n    '''\n\n    last_touch = ObjectProperty(None)\n    '''Contains the last relevant touch received by the Button. This can\n    be used in `on_press` or `on_release` in order to know which touch\n    dispatched the event.\n\n    .. versionadded:: 1.8.0\n\n    :attr:`last_touch` is a :class:`~kivy.properties.ObjectProperty` and\n    defaults to `None`.\n    '''\n\n    MIN_STATE_TIME = 0.035\n    '''The minimum period of time which the widget must remain in the\n    `'down'` state.\n\n    :attr:`MIN_STATE_TIME` is a float and defaults to 0.035.\n    '''\n\n    always_release = BooleanProperty(True)\n    '''This determines whether or not the widget fires an `on_release` event if\n    the touch_up is outside the widget.\n\n    .. versionadded:: 1.9.0\n\n    :attr:`always_release` is a :class:`~kivy.properties.BooleanProperty` and\n    defaults to `True`.\n    '''\n\n    def __init__(self, **kwargs):\n        self.register_event_type('on_press')\n        self.register_event_type('on_release')\n        super(ButtonBehavior, self).__init__(**kwargs)\n        self.__state_event = None\n        self.__touch_time = None\n        self.fbind('state', self.cancel_event)\n\n    def _do_press(self):\n        self.state = 'down'\n\n    def _do_release(self, *args):\n        self.state = 'normal'\n\n    def cancel_event(self, *args):\n        if self.__state_event:\n            self.__state_event.cancel()\n            self.__state_event = None\n\n    def on_touch_down(self, touch):\n        if super(ButtonBehavior, self).on_touch_down(touch):\n            return True\n        if touch.is_mouse_scrolling:\n            return False\n        if not self.collide_point(touch.x, touch.y):\n            return False\n        if self in touch.ud:\n            return False\n        touch.grab(self)\n        touch.ud[self] = True\n        self.last_touch = touch\n        self.__touch_time = time()\n        self._do_press()\n        self.dispatch('on_press')\n        return True\n\n    def on_touch_move(self, touch):\n        if touch.grab_current is self:\n            return True\n        if super(ButtonBehavior, self).on_touch_move(touch):\n            return True\n        return self in touch.ud\n\n    def on_touch_up(self, touch):\n        if touch.grab_current is not self:\n            return super(ButtonBehavior, self).on_touch_up(touch)\n        assert(self in touch.ud)\n        touch.ungrab(self)\n        self.last_touch = touch\n\n        if (not self.always_release\n                and not self.collide_point(*touch.pos)):\n            self.state = 'normal'\n            return\n\n        touchtime = time() - self.__touch_time\n        if touchtime < self.MIN_STATE_TIME:\n            self.__state_event = Clock.schedule_once(\n                self._do_release, self.MIN_STATE_TIME - touchtime)\n        else:\n            self._do_release()\n        self.dispatch('on_release')\n        return True\n\n    def on_press(self):\n        pass\n\n    def on_release(self):\n        pass\n\n    def trigger_action(self, duration=0.1):\n        '''Trigger whatever action(s) have been bound to the button by calling\n        both the on_press and on_release callbacks.\n\n        This simulates a quick button press without using any touch events.\n\n        Duration is the length of the press in seconds. Pass 0 if you want\n        the action to happen instantly.\n\n        .. versionadded:: 1.8.0\n        '''\n        self._do_press()\n        self.dispatch('on_press')\n\n        def trigger_release(dt):\n            self._do_release()\n            self.dispatch('on_release')\n        if not duration:\n            trigger_release(0)\n        else:\n            Clock.schedule_once(trigger_release, duration)\n", "path": "kivy/uix/behaviors/button.py"}], "after_files": [{"content": "'''See :class:`ButtonBehavior` for details.\n'''\n\n__all__ = ('ButtonBehavior', )\n\nfrom kivy.clock import Clock\nfrom kivy.properties import OptionProperty, ObjectProperty, \\\n    BooleanProperty, NumericProperty, AliasProperty\nfrom time import time\nfrom kivy.logger import Logger\n\n\nclass ButtonBehavior(object):\n    '''\n    This `mixin <https://en.wikipedia.org/wiki/Mixin>`_ class provides\n    :class:`~kivy.uix.button.Button` behavior.\n\n    :Events:\n        `on_press`\n            Fired when the button is pressed.\n        `on_release`\n            Fired when the button is released (i.e. the touch/click that\n            pressed the button goes away).\n    '''\n\n    state = OptionProperty('normal', options=('normal', 'down'))\n    '''The state of the button, must be one of 'normal' or 'down'.\n    The state is 'down' only when the button is currently touched/clicked,\n    otherwise its 'normal'.\n\n    :attr:`state` is an :class:`~kivy.properties.OptionProperty` and defaults\n    to 'normal'.\n    '''\n\n    last_touch = ObjectProperty(None)\n    '''Contains the last relevant touch received by the Button. This can\n    be used in `on_press` or `on_release` in order to know which touch\n    dispatched the event.\n\n    .. versionadded:: 1.8.0\n\n    :attr:`last_touch` is a :class:`~kivy.properties.ObjectProperty` and\n    defaults to `None`.\n    '''\n\n    min_state_time = NumericProperty(0.035)\n    '''The minimum period of time which the widget must remain in the\n    `'down'` state.\n\n    :attr:`min_state_time` is a float and defaults to 0.035.\n    '''\n\n    def _set_min_state_time(self, value):\n        Logger.warning(\n            'MIN_STATE_TIME is deprecated, use min_state_time instead')\n        self.min_state_time = value\n\n    def _get_min_state_time(self):\n        Logger.warning(\n            'MIN_STATE_TIME is deprecated, use min_state_time instead')\n        return self.min_state_time\n\n    MIN_STATE_TIME = AliasProperty(\n        _get_min_state_time, _set_min_state_time, bind=('min_state_time', ))\n\n    always_release = BooleanProperty(True)\n    '''This determines whether or not the widget fires an `on_release` event if\n    the touch_up is outside the widget.\n\n    .. versionadded:: 1.9.0\n\n    :attr:`always_release` is a :class:`~kivy.properties.BooleanProperty` and\n    defaults to `True`.\n    '''\n\n    def __init__(self, **kwargs):\n        self.register_event_type('on_press')\n        self.register_event_type('on_release')\n        super(ButtonBehavior, self).__init__(**kwargs)\n        self.__state_event = None\n        self.__touch_time = None\n        self.fbind('state', self.cancel_event)\n\n    def _do_press(self):\n        self.state = 'down'\n\n    def _do_release(self, *args):\n        self.state = 'normal'\n\n    def cancel_event(self, *args):\n        if self.__state_event:\n            self.__state_event.cancel()\n            self.__state_event = None\n\n    def on_touch_down(self, touch):\n        if super(ButtonBehavior, self).on_touch_down(touch):\n            return True\n        if touch.is_mouse_scrolling:\n            return False\n        if not self.collide_point(touch.x, touch.y):\n            return False\n        if self in touch.ud:\n            return False\n        touch.grab(self)\n        touch.ud[self] = True\n        self.last_touch = touch\n        self.__touch_time = time()\n        self._do_press()\n        self.dispatch('on_press')\n        return True\n\n    def on_touch_move(self, touch):\n        if touch.grab_current is self:\n            return True\n        if super(ButtonBehavior, self).on_touch_move(touch):\n            return True\n        return self in touch.ud\n\n    def on_touch_up(self, touch):\n        if touch.grab_current is not self:\n            return super(ButtonBehavior, self).on_touch_up(touch)\n        assert(self in touch.ud)\n        touch.ungrab(self)\n        self.last_touch = touch\n\n        if (not self.always_release\n                and not self.collide_point(*touch.pos)):\n            self.state = 'normal'\n            return\n\n        touchtime = time() - self.__touch_time\n        if touchtime < self.MIN_STATE_TIME:\n            self.__state_event = Clock.schedule_once(\n                self._do_release, self.MIN_STATE_TIME - touchtime)\n        else:\n            self._do_release()\n        self.dispatch('on_release')\n        return True\n\n    def on_press(self):\n        pass\n\n    def on_release(self):\n        pass\n\n    def trigger_action(self, duration=0.1):\n        '''Trigger whatever action(s) have been bound to the button by calling\n        both the on_press and on_release callbacks.\n\n        This simulates a quick button press without using any touch events.\n\n        Duration is the length of the press in seconds. Pass 0 if you want\n        the action to happen instantly.\n\n        .. versionadded:: 1.8.0\n        '''\n        self._do_press()\n        self.dispatch('on_press')\n\n        def trigger_release(dt):\n            self._do_release()\n            self.dispatch('on_release')\n        if not duration:\n            trigger_release(0)\n        else:\n            Clock.schedule_once(trigger_release, duration)\n", "path": "kivy/uix/behaviors/button.py"}]}