--- a/src/ast_convert.rs
+++ b/src/ast_convert.rs
@@ -83,7 +83,13 @@ fn parse_cmpop(py: Python, ast: PyObject
     let eq_type = ast_module.get(py, "Eq").unwrap();
     let noteq_type = ast_module.get(py, "NotEq").unwrap();
     let lt_type = ast_module.get(py, "Lt").unwrap();
+    let lte_type = ast_module.get(py, "LtE").unwrap();
     let gt_type = ast_module.get(py, "Gt").unwrap();
+    let gte_type = ast_module.get(py, "GtE").unwrap();
+    let is_type = ast_module.get(py, "Is").unwrap();
+    let is_not_type = ast_module.get(py, "IsNot").unwrap();
+    let in_type = ast_module.get(py, "In").unwrap();
+    let not_in_type = ast_module.get(py, "NotIn").unwrap();
 
     assert!(is_instance(&ast, &ast_type));
 
@@ -93,8 +99,20 @@ fn parse_cmpop(py: Python, ast: PyObject
         cmpop::NotEq
     } else if is_instance(&ast, &lt_type) {
         cmpop::Lt
+    } else if is_instance(&ast, &lte_type) {
+        cmpop::LtE
     } else if is_instance(&ast, &gt_type) {
         cmpop::Gt
+    } else if is_instance(&ast, &gte_type) {
+        cmpop::GtE
+    } else if is_instance(&ast, &is_type) {
+        cmpop::Is
+    } else if is_instance(&ast, &is_not_type) {
+        cmpop::IsNot
+    } else if is_instance(&ast, &in_type) {
+        cmpop::In
+    } else if is_instance(&ast, &not_in_type) {
+        cmpop::NotIn
     } else {
         unreachable!()
     }