bpo-33582: Remove duplicate space in inspect.formatargspec() deprecation warning (GH-7655) (GH-7657)

(cherry picked from commit 41254ebd5e4f40a2e095d8aaea60bf3973de4647)

Co-authored-by: Zackery Spytz <zspytz@gmail.com>
diff --git a/Lib/inspect.py b/Lib/inspect.py
index 8e242e8..288bfbb 100644
--- a/Lib/inspect.py
+++ b/Lib/inspect.py
@@ -1220,7 +1220,7 @@
     from warnings import warn
 
     warn("`formatargspec` is deprecated since Python 3.5. Use `signature` and "
-         " the `Signature` object directly",
+         "the `Signature` object directly",
          DeprecationWarning,
          stacklevel=2)