fix: Fixed level of injection warnings when annotating functions without dependencies.

Author: xelandernt

docs/introduction/injection.md

@@ -100,7 +100,7 @@ This is to avoid accidentally decorating a function that doesn’t actually requ
 
 ## Specifying a Scope
 
-By default, `@inject` enters the scope `ContextScopes.INJECT`. If you want to override that, do:
+By default, `@inject` uses the `ContextScopes.INJECT` scope. If you want to override that, do:
 
 ```python
 from that_depends import inject

pyproject.toml

@@ -47,6 +47,7 @@ dev = [
     "mkdocs>=1.6.1",
     "pytest-randomly",
     "mkdocs-llmstxt>=0.4.0",
+    "pydantic<2.12.4" # causes tests to fail because of: TypeError: _eval_type() got an unexpected keyword argument 'prefer_fwd_module'
 ]
 
 [build-system]

that_depends/injection.py

@@ -94,7 +94,7 @@ def inner(*args: P.args, **kwargs: P.kwargs) -> typing.Generator[T, typing.Any,
             injected, kwargs = _resolve_arguments_sync(signature, scope, container, None, *args, **kwargs)  # type: ignore[assignment]
 
             if not injected:
-                warnings.warn(_INJECTION_WARNING_MESSAGE, RuntimeWarning, stacklevel=1)
+                warnings.warn(_INJECTION_WARNING_MESSAGE, RuntimeWarning, stacklevel=2)
 
             g = gen(*args, **kwargs)
             result = yield from g
@@ -249,7 +249,7 @@ def _resolve_sync(
         injected, kwargs = _resolve_arguments_sync(signature, scope, container, stack, *args, **kwargs)  # type: ignore[assignment]
 
         if not injected:
-            warnings.warn(_INJECTION_WARNING_MESSAGE, RuntimeWarning, stacklevel=1)
+            warnings.warn(_INJECTION_WARNING_MESSAGE, RuntimeWarning, stacklevel=3)
 
         return func(*args, **kwargs)