Avoid falsely marking non-submodules as submodule aliases

crates/ruff/resources/test/fixtures/pyflakes/F823.py

@@ -63,3 +63,10 @@ def main():
 
     for sys in range(5):
         pass
+
+
+import requests_mock as rm
+
+
+def requests_mock(requests_mock: rm.Mocker):
+    print(rm.ANY)

crates/ruff/src/checkers/ast/mod.rs

@@ -1539,6 +1539,15 @@ impl<'a> Checker<'a> {
                 return binding_id;
             }
 
+            println!(
+                "same scope shadowed_id: {:?}",
+                &self.semantic.bindings[shadowed_id]
+            );
+            println!(
+                "same scope binding_id: {:?}",
+                &self.semantic.bindings[binding_id]
+            );
+
             // Avoid shadowing builtins.
             let shadowed = &self.semantic.bindings[shadowed_id];
             if !matches!(

crates/ruff/src/rules/pyflakes/rules/undefined_local.rs

@@ -65,6 +65,8 @@ pub(crate) fn undefined_local(
                         None
                     }
                 }) {
+                    println!("shadowed: {:?}", shadowed);
+                    println!("binding: {:?}", checker.semantic().binding(binding_id));
                     // Then it's probably an error.
                     diagnostics.push(Diagnostic::new(
                         UndefinedLocal {

crates/ruff_python_semantic/src/model.rs

@@ -594,7 +594,12 @@ impl<'a> SemanticModel<'a> {
             return None;
         }
 
-        self.scopes[scope_id].get(qualified_name)
+        let binding_id = self.scopes[scope_id].get(qualified_name)?;
+        if !self.bindings[binding_id].kind.is_submodule_import() {
+            return None;
+        }
+
+        Some(binding_id)
     }
 
     /// Resolves the [`Expr`] to a fully-qualified symbol-name, if `value` resolves to an imported