quick fix

two bugs together causes passing quick check
if patch is working

ansi.py

@@ -235,7 +235,7 @@ def detect_left_ansi(self, view):
         sublime.set_timeout_async(partial(self.check_left_ansi, view), 50)
 
     def check_left_ansi(self, view):
-        if self._is_view_valid(view):
+        if not self._is_view_valid(view):
             self._del_event_listeners(view)
             return
         if view.settings().get("syntax") != "Packages/ANSIescape/ANSI.tmLanguage":
@@ -250,7 +250,7 @@ def check_left_ansi(self, view):
         debug(view, "ANSI cmd done and no codes left")
 
     def detect_syntax_change(self, view):
-        if self._is_view_valid(view):
+        if not self._is_view_valid(view):
             self._del_event_listeners(view)
             return
         if view.settings().get("ansi_in_progres", False):
@@ -265,11 +265,11 @@ def detect_syntax_change(self, view):
                 view.window().run_command("undo_ansi")
 
     def _is_view_valid(self, view):
-        if view.window is None:
+        if view.window() is None:
             return False
-        if view.window not in sublime.windows():
+        if view.window() not in sublime.windows():
             return False
-        if view not in view.window.views():
+        if view not in view.window().views():
             return False
         return True