Apply suggestions from code review

Co-authored-by: stuartarchibald <stuartarchibald@users.noreply.github.com>
sklam · Oct 20, 2021 · Oct 18, 2021 · Oct 18, 2021 · Oct 18, 2021 · Oct 19, 2021
commit 9f667547862157fa73f7e9f2fa4f4cfb46d8ed57
diff --git a/numba/core/dispatcher.py b/numba/core/dispatcher.py
@@ -60,7 +60,6 @@ def __len__(self):
         return len(self._stack)
 
     @classmethod
-    # @contextmanager
     def switch_target(cls, retarget: BaseRetarget):
         """Returns a contextmanager that pushes a new retarget handler,
         an instance of `numba.core.retarget.BaseRetarget`, onto the

diff --git a/numba/core/targetconfig.py b/numba/core/targetconfig.py
@@ -73,7 +73,7 @@ def __len__(self):
         return len(self._stk)
 
     def enter(self, flags):
-        """Returns contextmanager that perform ``push(flags)`` on enter and
+        """Returns a contextmanager that performs ``push(flags)`` on enter and
         ``pop()`` on exit.
         """
         return self._stk.enter(flags)

diff --git a/numba/core/utils.py b/numba/core/utils.py
@@ -207,7 +207,8 @@ class ThreadLocalStack:
     def __init_subclass__(cls, *, stack_name, **kwargs):
         super().__init_subclass__(**kwargs)
         # Register stack_name mapping to the new subclass
-        assert stack_name not in cls._registered, "stack_name already in use"
+        assert stack_name not in cls._registered, \
+            f"stack_name: '{stack_name}' already in use"
         cls.stack_name = stack_name
         cls._registered[stack_name] = cls