---
pyanaconda/dispatch.py | 3 +++
pyanaconda/text.py | 7 ++++---
2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/pyanaconda/dispatch.py b/pyanaconda/dispatch.py
index a5e06a9..39aa2d9 100644
--- a/pyanaconda/dispatch.py
+++ b/pyanaconda/dispatch.py
@@ -120,6 +120,9 @@ installSteps = [
class Dispatcher(object):

def gotoPrev(self):
+ """
+ You should make sure canGoBack() returns True before attempting gotoPrev().
+ """
self._setDir(DISPATCH_BACK)
self.moveStep()

diff --git a/pyanaconda/text.py b/pyanaconda/text.py
index 0c48407..4dc0d18 100644
--- a/pyanaconda/text.py
+++ b/pyanaconda/text.py
@@ -537,14 +537,15 @@ class InstallInterface(InstallInterfaceBase):

lastrc = rc

- if step == -1:
- if not anaconda.dispatch.canGoBack():
+ if step == -1:
+ if anaconda.dispatch.canGoBack():
+ anaconda.dispatch.gotoPrev()
+ else:
ButtonChoiceWindow(self.screen, _("Cancelled"),
_("I can't go to the previous step "
"from here. You will have to try "
"again."),
buttons=[_("OK")])
- anaconda.dispatch.gotoPrev()
else:
anaconda.dispatch.gotoNext()

--
1.7.1.1

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