title: tkinter LabelFrame not attatching widgets
body: <p>I am running into a problem with a tkinter program, I have the LabelFrame grouping a set of labels and entries, however, it is not grouping my widgets. My code for the LabelFrame is as follows:</p>
  
  <p>(edit: i managed to get the Label to display, however, it is not grouping my widgets.)</p>
  
  <pre><code>root=Tk()
  message_frame=LabelFrame(root,text="testing",padx=0,pady=0,width=100,height=100).grid(padx=5,pady=10)
  
  message_label=Label(message_frame,text="Message").grid(row=1,column=0,sticky=W)
  pub_label=Label(message_frame,text="Public Key").grid(row=2,column=0,sticky=W)
  priv_label=Label(message_frame,text="Public Key").grid(row=3,column=0,sticky=W)
  
  message_entry=Entry(message_frame,textvariable=message,width=50).grid(row=1,column=1,sticky=W)
  pub_entry=Entry(message_frame,textvariable=pub_key,width=50).grid(row=2,column=1,sticky=W)
  priv_entry=Entry(message_frame,textvariable=private_key,width=50).grid(row=3,column=1,sticky=W)
  </code></pre>