Remove debug assertion because it results in test failures

crates/red_knot/src/files.rs

@@ -66,7 +66,6 @@ impl FilesInner {
     /// Inserts the path and returns a new id for it or returns the id if it is an existing path.
     // TODO should this accept Path or PathBuf?
     pub(crate) fn intern(&mut self, path: &Path) -> FileId {
-        debug_assert!(path.is_file());
         let mut hasher = FxHasher::default();
         path.hash(&mut hasher);
         let hash = hasher.finish();

crates/red_knot/src/hir/definition.rs

@@ -132,6 +132,7 @@ pub struct GlobalId;
 
 #[derive(Debug, Clone, Eq, PartialEq)]
 pub struct Global {
+    // TODO track names
     ast_id: HirAstId<StmtGlobal>,
 }
 
@@ -140,6 +141,7 @@ pub struct NonLocalId;
 
 #[derive(Debug, Clone, Eq, PartialEq)]
 pub struct NonLocal {
+    // TODO track names
     ast_id: HirAstId<StmtNonlocal>,
 }