retry: loosen delay to float (#4583)

Caught by mypy_primer:
paasta_tools/mesos/master.py:150: error: Argument "delay" to "retry" has incompatible type "float"; expected "int"

Co-authored-by: hauntsaninja <>

Author: hauntsaninja

third_party/2and3/retry/api.pyi

@@ -11,17 +11,17 @@ def retry_call(
     fkwargs: Optional[Dict[str, Any]] = ...,
     exceptions: Union[Type[Exception], Tuple[Type[Exception], ...]] = ...,
     tries: int = ...,
-    delay: int = ...,
-    max_delay: Optional[int] = ...,
+    delay: float = ...,
+    max_delay: Optional[float] = ...,
     backoff: int = ...,
     jitter: int = ...,
     logger: Optional[Logger] = ...,
 ) -> _R: ...
 def retry(
     exceptions: Union[Type[Exception], Tuple[Type[Exception], ...]] = ...,
     tries: int = ...,
-    delay: int = ...,
-    max_delay: Optional[int] = ...,
+    delay: float = ...,
+    max_delay: Optional[float] = ...,
     backoff: int = ...,
     jitter: int = ...,
     logger: Optional[Logger] = ...,