async support doesn't require patchinginline-async

1 files changed, 0 insertions, 11 deletions

diff --git a/src/jinja2/utils.py b/src/jinja2/utils.py
index 80769a7..c49dbb5 100644
--- a/src/jinja2/utils.py
+++ b/src/jinja2/utils.py
@@ -20,13 +20,10 @@ if t.TYPE_CHECKING:
 # special singleton representing missing values for the runtime
 missing = type("MissingType", (), {"__repr__": lambda x: "missing"})()
 
-# internal code
 internal_code: t.MutableSet[CodeType] = set()
 
 concat = "".join
 
-_slash_escape = "\\/" not in json.dumps("/")
-
 
 def pass_context(f: "F") -> "F":
     """Pass the :class:`~jinja2.runtime.Context` as the first argument
@@ -832,14 +829,6 @@ class Namespace:
         return f"<Namespace {self.__attrs!r}>"
 
 
-# does this python version support async for in and async generators?
-try:
-    exec("async def _():\n async for _ in ():\n  yield _")
-    have_async_gen = True
-except SyntaxError:
-    have_async_gen = False
-
-
 class Markup(markupsafe.Markup):
     def __init__(self, *args, **kwargs):
         warnings.warn(