blinker is required, signals are always available

tests/test_signals.py

@@ -1,16 +1,5 @@
-import pytest
-
-try:
-    import blinker
-except ImportError:
-    blinker = None
-
 import flask
 
-pytestmark = pytest.mark.skipif(
-    blinker is None, reason="Signals require the blinker library."
-)
-
 
 def test_template_rendered(app, client):
     @app.route("/")

tests/test_testing.py

@@ -10,11 +10,6 @@ from flask.json import jsonify
 from flask.testing import EnvironBuilder
 from flask.testing import FlaskCliRunner
 
-try:
-    import blinker
-except ImportError:
-    blinker = None
-
 
 def test_environ_defaults_from_config(app, client):
     app.config["SERVER_NAME"] = "example.com:1234"
@@ -285,7 +280,6 @@ def test_json_request_and_response(app, client):
         assert rv.get_json() == json_data
 
 
-@pytest.mark.skipif(blinker is None, reason="blinker is not installed")
 def test_client_json_no_app_context(app, client):
     @app.route("/hello", methods=["POST"])
     def hello():