#668: update warning filtering to only filter dash_html_components me…

…ssage

dtale/__init__.py

@@ -2,23 +2,29 @@
 
 from flask import Blueprint
 
-warnings.filterwarnings("ignore")
-
-dtale = Blueprint("dtale", __name__, url_prefix="/dtale")
-
-# flake8: NOQA
-from dtale.app import show, get_instance, instances, offline_chart  # isort:skip
-from dtale.cli.loaders import LOADERS  # isort:skip
-from dtale.cli.clickutils import retrieve_meta_info_and_version
-from dtale.global_state import update_id  # isort:skip
-
-ALLOW_CELL_EDITS = True
-HIDE_SHUTDOWN = False
-GITHUB_FORK = False
-
-for loader_name, loader in LOADERS.items():
-    if hasattr(loader, "show_loader"):
-        globals()["show_{}".format(loader_name)] = loader.show_loader
-
-
-__version__ = retrieve_meta_info_and_version("dtale")[1]
+with warnings.catch_warnings():
+    warnings.filterwarnings(
+        "ignore",
+        (
+            "\nThe dash_html_components package is deprecated. Please replace"
+            "\n`import dash_html_components as html` with `from dash import html`"
+        ),
+    )
+
+    dtale = Blueprint("dtale", __name__, url_prefix="/dtale")
+
+    # flake8: NOQA
+    from dtale.app import show, get_instance, instances, offline_chart  # isort:skip
+    from dtale.cli.loaders import LOADERS  # isort:skip
+    from dtale.cli.clickutils import retrieve_meta_info_and_version
+    from dtale.global_state import update_id  # isort:skip
+
+    ALLOW_CELL_EDITS = True
+    HIDE_SHUTDOWN = False
+    GITHUB_FORK = False
+
+    for loader_name, loader in LOADERS.items():
+        if hasattr(loader, "show_loader"):
+            globals()["show_{}".format(loader_name)] = loader.show_loader
+
+    __version__ = retrieve_meta_info_and_version("dtale")[1]