cq-editor: remove remnant patch file

diff --git a/cq_editor/widgets/debugger.py b/cq_editor/widgets/debugger.py

index b7398fb..d039db5 100644

--- a/cq_editor/widgets/debugger.py

+++ b/cq_editor/widgets/debugger.py

@@ -162,7 +162,7 @@ class Debugger(QObject,ComponentMixin):

     def get_breakpoints(self):

-        return self.parent().components['editor'].get_breakpoints()

+        return self.parent().components['editor'].debugger.get_breakpoints()

     def compile_code(self,cq_script):

@@ -178,12 +178,14 @@ class Debugger(QObject,ComponentMixin):

     def _exec(self, code, locals_dict, globals_dict):

         with ExitStack() as stack:

-            p = Path(self.parent().components['editor'].filename).dirname()

-            if self.preferences['Add script dir to path'] and p:

+            fname = self.parent().components['editor'].filename

+            p = Path(fname if fname else '').abspath().dirname()

+            if self.preferences['Add script dir to path'] and p.exists():

                 sys.path.append(p)

                 stack.callback(sys.path.remove, p)

-            if self.preferences['Change working dir to script dir'] and p:

+            if self.preferences['Change working dir to script dir'] and p.exists():

                 stack.enter_context(p)

+

             exec(code, locals_dict, globals_dict)

     def _inject_locals(self,module):

diff --git a/cq_editor/widgets/editor.py b/cq_editor/widgets/editor.py

index 45aa048..2763469 100644

--- a/cq_editor/widgets/editor.py

+++ b/cq_editor/widgets/editor.py

@@ -1,4 +1,4 @@

-from spyder.widgets.sourcecode.codeeditor import  CodeEditor

+from spyder.plugins.editor.widgets.codeeditor import  CodeEditor

 from PyQt5.QtCore import pyqtSignal, QFileSystemWatcher, QTimer

 from PyQt5.QtWidgets import QAction, QFileDialog

 from PyQt5.QtGui import QFontDatabase

@@ -32,6 +32,8 @@ class Editor(CodeEditor,ComponentMixin):

     def __init__(self,parent=None):

+        self._watched_file = None

+

         super(Editor,self).__init__(parent)

         ComponentMixin.__init__(self)

@@ -83,7 +85,6 @@ class Editor(CodeEditor,ComponentMixin):

         # autoreload support

         self._file_watcher = QFileSystemWatcher(self)

-        self._watched_file = None

         # we wait for 50ms after a file change for the file to be written completely

         self._file_watch_timer = QTimer(self)

         self._file_watch_timer.setInterval(50)