Fix Ctrl+C behevior on question

pym/cl_builder.py

@@ -550,7 +550,12 @@ class cl_builder(color_print):
         if not force:
             dialogMessage = _("Continue creating the system image") \
                             + " (yes/no)"
-            dialogRes = dialogYesNo(dialogMessage)
+            try:
+                dialogRes = dialogYesNo(dialogMessage)
+            except KeyboardInterrupt:
+                self.assembleIso = False
+                self.printERROR(_("Image creating interrupted"))
+                return False
             if dialogRes in (None,False):
                 self.assembleIso = False
                 self.printERROR(_("Image creating interrupted"))
@@ -625,7 +630,10 @@ class cl_builder(color_print):
         if not force:
             dialogMessage = _("Continue rebuilding the flash live system") \
                             + " (yes/no)"
-            dialogRes = dialogYesNo(dialogMessage)
+            try:
+                dialogRes = dialogYesNo(dialogMessage)
+            except KeyboardInterrupt:
+                return True
             if dialogRes in (None,False):
                 return True