fix: some fixes

.pre-commit-config.yaml

@@ -31,11 +31,11 @@ repos:
   rev: v3.9.0
   hooks:
   - args:
-    - --py38-plus
+    - --py37-plus
     id: reorder-python-imports
 - hooks:
   - args:
-    - --py38-plus
+    - --py37-plus
     id: pyupgrade
   repo: https://github.com/asottile/pyupgrade
   rev: v3.3.1

pysource_minimize/_minimize.py

@@ -8,7 +8,6 @@
 try:
     from ast import unparse
 except ImportError:
-
     from astunparse import unparse  # type: ignore
 
 TESTING = "PYTEST_CURRENT_TEST" in os.environ
@@ -36,7 +35,10 @@ def __init__(self, source, checker, progress_callback):
         self.progress_callback = progress_callback
 
         self.original_source = source
-        self.original_ast = ast.parse(source)
+        if sys.version_info >= (3, 8):
+            self.original_ast = ast.parse(source, type_comments=True)
+        else:
+            self.original_ast = ast.parse(source)
 
         class UniqueObj(ast.NodeTransformer):
             def visit(self, node):
@@ -182,8 +184,7 @@ def try_only(self, node, child) -> bool:
 
     def minimize_comprehension(self, comp):
         self.minimize_expr(comp.iter)
-        for if_ in comp.ifs:
-            self.minimize_expr(if_)
+        self.minimize_list(comp.ifs, terminal=self.minimize_expr)
 
     def try_only_minimize(self, node, *childs):
         childs = [child for child in childs if child is not None]
@@ -277,14 +278,6 @@ def minimize_expr(self, node):
             )
             return
 
-            not_stared = [arg for arg in node.args if not isinstance(arg, ast.Starred)]
-            for arg in not_stared:
-                if self.try_only(node, arg):
-                    self.minimize(arg)
-                    break
-            else:
-                self.minimize(node.args)
-
         elif isinstance(
             node, (ast.ListComp, ast.SetComp, ast.GeneratorExp, ast.DictComp)
         ):
@@ -312,6 +305,8 @@ def minimize_expr(self, node):
                 self.minimize_expr(node.elt)
             self.minimize_list(node.generators, self.minimize_comprehension, 1)
 
+        elif isinstance(node, ast.NamedExpr):
+            self.try_only_minimize(node, node.value)
         else:
             raise TypeError(node)  # Expr
 
@@ -353,6 +348,8 @@ def minimize_stmt(self, node):
             self.minimize_list(nargs.kwonlyargs, lambda e: None)
             self.try_none(nargs.vararg)
             self.try_none(nargs.kwarg)
+            if node.returns:
+                self.minimize_expr(node.returns)
 
         elif isinstance(node, ast.ClassDef):
             if self.try_only_minimize(node, node.decorator_list):
@@ -361,7 +358,22 @@ def minimize_stmt(self, node):
             if self.try_only_minimize(node, node.body):
                 return
 
+            for e in [
+                *[kw.value for kw in node.keywords],
+                *[
+                    arg.value if isinstance(arg, ast.Starred) else arg
+                    for arg in node.bases
+                ],
+            ]:
+                if self.try_only(node, e):
+                    self.minimize(e)
+                    return
+
             self.minimize(node.bases)
+            self.minimize_list(
+                node.keywords, terminal=lambda kw: self.minimize(kw.value)
+            )
+            return
 
         elif isinstance(node, ast.Return):
             self.try_only_minimize(node, node.value)