fix format

Signed-off-by: christian.lutnik <[email protected]>

Author: chrfwow

providers/openfeature-provider-flagd/tests/e2e/step/flag_step.py

@@ -48,7 +48,7 @@ def evaluate_with_details(
 @when("the flag was modified")
 def assert_flag_change_event(container):
     requests.post(f"{container.get_launchpad_url()}/change", timeout=1)
-    sleep(.2)
+    sleep(0.2)
 
 
 @then("the flag should be part of the event payload")