allow early stop calls to CLI spinner

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "dopt-basics"
-version = "0.2.3"
+version = "0.2.4"
 description = "basic cross-project tools for Python-based d-opt projects"
 authors = [
     {name = "Florian Förster", email = "f.foerster@d-opt.com"},
@@ -69,7 +69,7 @@ directory = "reports/coverage"
 
 
 [tool.bumpversion]
-current_version = "0.2.3"
+current_version = "0.2.4"
 parse = """(?x)
     (?P<major>0|[1-9]\\d*)\\.
     (?P<minor>0|[1-9]\\d*)\\.

src/dopt_basics/cli.py

@@ -81,6 +81,9 @@ class LoadingAnimation:
         self,
         interrupt: bool = False,
     ) -> None:
+        if self.done:
+            return
+
         self.done = True
         if self._do_animation:
             self._thread.join()