title: Maya Python error: keyword can't be an expression?
body: <p>I'm creating a user interface in Maya using Python. I keep getting this error:</p>
  
  <pre><code>Error: line 1: keyword can't be an expression
  </code></pre>
  
  <p>Does anybody know how to counter this?</p>
  
  <p><img src="https://i.gyazo.com/62ebe4ff5345e44831870b920beed5ba.png" alt="image"></p>
  
  <pre><code>import maya.cmds as cmds
  if mc.window(ram, exists =True):
      mc.deleteUI(ram)
  
  ram = cmds.window("RenamerWin",t = "Renamer Tool", w=300, h=300)
  cmds.columnLayout(adj = True)
  cmds.text("Welcome to the tool renamer")
  cmds.separator(h=10)
  
  cubW = cmds.intSliderGrp(1 = "Width",min =0, max =10, field =True)
  cubH = cmds.intSliderGrp(1 = "Height",min =0, max =10, field =True)
  cubD = cmds.intSliderGrp(1 = "Depth",min =0, max =10, field =True)
  
  cmds.button(l = "Create a Cube",c="myCube()")
  
  cmds.showWindow(ram)
  
  def myCube():
      myCubeWidth = cmds.intSliderGrp(cubW , q= True,value =True)
      myCubeHeight = cmds.intSliderGrp(cubH , q= True,value =True) 
      myCubeDepth = cmds.intSliderGrp(cubWD , q= True,value =True)
      finalCube = cmds.polyCube(w=myCubeWidth,h=myCubeHeight,d=myCubeDepth , n = "myCube")
  </code></pre>