fix(container): handle registering providers with unhashable implemen…

…tations

aioinject/containers.py

@@ -46,11 +46,10 @@ def try_register(self, *providers: Provider[Any]) -> None:
                 self._register(provider)
 
     def _register(self, provider: Provider[Any]) -> None:
-        existing_impls = {
-            existing_provider.impl
+        if any(
+            provider.impl == existing_provider.impl
             for existing_provider in self.providers.get(provider.type_, [])
-        }
-        if provider.impl in existing_impls:
+        ):
             msg = (
                 f"Provider for type {provider.type_} with same "
                 f"implementation already registered"

tests/container/test_container.py

@@ -2,8 +2,9 @@
 from collections.abc import AsyncIterator, Iterator
 
 import pytest
+from pydantic_settings import BaseSettings
 
-from aioinject import Scoped, Singleton, providers
+from aioinject import Object, Scoped, Singleton, providers
 from aioinject.containers import Container
 from aioinject.context import InjectionContext
 
@@ -50,6 +51,16 @@ def test_can_register_batch(container: Container) -> None:
     assert container.providers == excepted
 
 
+async def test_register_unhashable_implementation(
+    container: Container,
+) -> None:
+    class ExampleSettings(BaseSettings):
+        value: list[str] = []
+
+    container.register(Object([], type_=list[int]))
+    container.register(Object(ExampleSettings(), type_=ExampleSettings))
+
+
 def test_cant_register_multiple_providers_for_same_type(
     container: Container,
 ) -> None: