Refactor find_provider function to improve error handling

simplemind/utils.py

@@ -5,6 +5,7 @@ from .providers import providers
 
 _PROVIDER_NAMES = [provider.NAME.lower() for provider in providers]
 
+
 def find_provider(provider_name: Union[str, None]):
     """Find a provider by name."""
     if provider_name:
@@ -12,10 +13,14 @@ def find_provider(provider_name: Union[str, None]):
             if provider_class.NAME.lower() == provider_name.lower():
                 # Instantiate the provider
                 return provider_class()
-    
-    provider_found = difflib.get_close_matches(provider_name.lower(), _PROVIDER_NAMES, n=1) # Show only one suggestion
-    
+
+    provider_found = difflib.get_close_matches(
+        provider_name.lower(), _PROVIDER_NAMES, n=1
+    )  # Show only one suggestion
+
     if provider_found:
-        raise ValueError(f"Provider {provider_name} not found. Maybe you try to use is '{provider_found[0]}'?")
+        raise ValueError(
+            f"Provider {provider_name!r} not found. Did you mean {provider_found[0]!r}?"
+        )
     else:
-        raise ValueError(f"Provider {provider_name} not found.")
+        raise ValueError(f"Provider {provider_name} not found.")