ensure path.dirname is not called with null

Author: dpo

lib/python-debugger-view.coffee

@@ -65,7 +65,7 @@ class PythonDebuggerView extends View
     editor = atom.workspace.getActiveTextEditor()
     activePath = editor.getPath()
     relative = atom.project.relativizePath(activePath)
-    pathToWorkspace = relative[0] || path.dirname(activePath)
+    pathToWorkspace = relative[0] || (path.dirname(activePath) if activePath?)
     pathToWorkspace
 
   runApp: ->

lib/python-debugger.coffee

@@ -46,4 +46,4 @@ module.exports = PythonDebugger =
 
     activePath = editor?.getPath()
     relative = atom.project.relativizePath(activePath)
-    themPaths = relative[0] || path.dirname(activePath)
+    themPaths = relative[0] || (path.dirname(activePath) if activePath?)