Line breaks for args to fit in 79 columns (Button methods).

diff --git a/supportscreen.py b/supportscreen.py
index 0835816..7873382 100644
--- a/supportscreen.py
+++ b/supportscreen.py
@@ -73,7 +73,8 @@ class SupportScreen(mytkSimpleDialog.Dialog):

         #w = Button(box, text="OK", width=10, command=self.ok, default=ACTIVE)
         #w.pack(side=LEFT, padx=5, pady=5)
-        w = Button(box, text="Continue", width=10, command=self.cancel, default=ACTIVE)
+        w = Button(box, text="Continue", width=10,
+                   command=self.cancel, default=ACTIVE)
         w.pack(side=LEFT, padx=5, pady=5)

         self.bind("<Return>", self.cancel)
@@ -142,7 +143,8 @@ class ExpirationScreen(mytkSimpleDialog.Dialog):

         #w = Button(box, text="OK", width=10, command=self.ok, default=ACTIVE)
         #w.pack(side=LEFT, padx=5, pady=5)
-        w = Button(box, text="Continue", width=10, command=self.cancel, default=ACTIVE)
+        w = Button(box, text="Continue", width=10,
+                   command=self.cancel, default=ACTIVE)
         w.pack(side=LEFT, padx=5, pady=5)

         self.bind("<Return>", self.cancel)
@@ -216,7 +218,8 @@ class AboutDialog(mytkSimpleDialog.Dialog):

         #w = Button(box, text="OK", width=10, command=self.ok, default=ACTIVE)
         #w.pack(side=LEFT, padx=5, pady=5)
-        w = Button(box, text="Continue", width=10, command=self.cancel, default=ACTIVE)
+        w = Button(box, text="Continue", width=10,
+                   command=self.cancel, default=ACTIVE)
         w.pack(side=LEFT, padx=5, pady=5)

         self.bind("<Return>", self.cancel)