2 files changed, 10 insertions, 8 deletions
diff --git a/docs/tutorials/wiki2/src/views/tutorial/models.py b/docs/tutorials/wiki2/src/views/tutorial/models.py
index 23b8afab8..960c14941 100644
--- a/docs/tutorials/wiki2/src/views/tutorial/models.py
+++ b/docs/tutorials/wiki2/src/views/tutorial/models.py
@@ -23,14 +23,15 @@ class Page(Base):
     data = Column(Text)
 
     def __init__(self, name, data):
-       self.name = name
-       self.data = data
+        self.name = name
+        self.data = data
 
 def initialize_sql(engine):
     DBSession.configure(bind=engine)
     Base.metadata.bind = engine
     Base.metadata.create_all(engine)
     try:
+        transaction.begin()
         session = DBSession()
         page = Page('FrontPage', 'initial data')
         session.add(page)
diff --git a/docs/tutorials/wiki2/src/views/tutorial/views.py b/docs/tutorials/wiki2/src/views/tutorial/views.py
index b8896abe7..f3d7f4a99 100644
--- a/docs/tutorials/wiki2/src/views/tutorial/views.py
+++ b/docs/tutorials/wiki2/src/views/tutorial/views.py
@@ -2,7 +2,7 @@ import re
 
 from docutils.core import publish_parts
 
-from pyramid.httpexceptions import HTTPFound
+from pyramid.httpexceptions import HTTPFound, HTTPNotFound
 from pyramid.url import route_url
 
 from tutorial.models import DBSession
@@ -16,9 +16,11 @@ def view_wiki(request):
                                           pagename='FrontPage'))
 
 def view_page(request):
-    matchdict = request.matchdict
+    pagename = request.matchdict['pagename']
     session = DBSession()
-    page = session.query(Page).filter_by(name=matchdict['pagename']).one()
+    page = session.query(Page).filter_by(name=pagename).first()
+    if page is None:
+        return HTTPNotFound('No such page')
 
     def check(match):
         word = match.group(1)
@@ -32,8 +34,7 @@ def view_page(request):
 
     content = publish_parts(page.data, writer_name='html')['html_body']
     content = wikiwords.sub(check, content)
-    edit_url = route_url('edit_page', request,
-                         pagename=matchdict['pagename'])
+    edit_url = route_url('edit_page', request, pagename=pagename)
     return dict(page=page, content=content, edit_url=edit_url)
 
 def add_page(request):
@@ -48,7 +49,7 @@ def add_page(request):
     save_url = route_url('add_page', request, pagename=name)
     page = Page('', '')
     return dict(page=page, save_url=save_url)
-    
+
 def edit_page(request):
     name = request.matchdict['pagename']
     session = DBSession()