Cleanup

panel/reactive.py

@@ -11,17 +11,20 @@
 import re
 import sys
 import textwrap
+
 from collections import Counter, defaultdict, namedtuple
 from functools import partial
 from pprint import pformat
-from typing import (TYPE_CHECKING, Any, Callable, Dict, Iterable, List,
-                    Mapping, Optional, Set, Tuple, Type, Union)
+from typing import (
+    TYPE_CHECKING, Any, Callable, Dict, Iterable, List, Mapping, Optional,
+    Set, Tuple, Type, Union
+)
 
 import bleach
 import numpy as np
-from bokeh.model import DataModel
+import param
 
-import param  # type: ignore
+from bokeh.model import DataModel
 from param.parameterized import ParameterizedMetaclass, Watcher
 
 from .io.document import unlocked
@@ -36,6 +39,7 @@
 
 if TYPE_CHECKING:
     import pandas as pd
+
     from bokeh.document import Document
     from bokeh.events import Event
     from bokeh.model import Model

panel/widgets/button.py

@@ -10,11 +10,11 @@
 import param
 
 from bokeh.events import ButtonClick, MenuItemClick
-from bokeh.models import Button as _BkButton
-from bokeh.models import Dropdown as _BkDropdown
-from bokeh.models import Toggle as _BkToggle
-from panel.links import Callback
+from bokeh.models import (
+    Button as _BkButton, Dropdown as _BkDropdown, Toggle as _BkToggle
+)
 
+from ..links import Callback
 from .base import Widget
 
 if TYPE_CHECKING:
@@ -92,7 +92,6 @@ def jscallback(self, args: Dict[str, Any] = {}, **callbacks: str) -> Callback:
         callback: Callback
           The Callback which can be used to disable the callback.
         """
-        from ..links import Callback
         for k, v in list(callbacks.items()):
             if k == 'clicks':
                 k = 'event:'+self._event
@@ -170,7 +169,7 @@ def jslink(
           The Link can be used unlink the widget and the target model.
         """
         links = {'event:'+self._event if p == 'value' else p: v for p, v in links.items()}
-        super().jslink(target, code, args, bidirectional, **links)
+        return super().jslink(target, code, args, bidirectional, **links)
 
     def _process_event(self, event: param.parameterized.Event) -> None:
         self.param.trigger('value')