<div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Feb 7, 2015 at 5:09 AM, masoom alam <span dir="ltr"><<a href="mailto:masoom.alam@wanclouds.net" target="_blank">masoom.alam@wanclouds.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div class="gmail_extra">raise <span class="">DistributionNotFound</span>(req)\npkg_resources.<span class="">DistributionNotFound</span>: <span class="">alembic</span><<span class="">0.6</span>.<span class="">4</span>,>=0.<span class="">4</span>.1\n'</div></blockquote></div><br>It looks like your system is failing to find a version of alembic that satisfies those requirements.<br><br>In your last post on this issue you said you had alembic 0.7.4 installed already. That doesn't satisfy the requirement for a version <0.6.4. Perhaps you need to uninstall that version, or downgrade to something that meets the requirements?<br><br>Alternatively - it seems as though you may have a very old version of neutron-rootwrap. I don't know much about Neutron so maybe I'm reading this wrong, but "<span style="font-size:13px">require(\'neutron==2013.2.</span><span class="" style="font-size:13px;background-color:rgb(255,255,255)">4</span><span style="font-size:13px">.</span><span style="font-size:13px">dev32\')" suggests old age to me. Perhaps it would be possible to upgrade your version?<br><br>FWIW, I tested in a virtualenv; with just alembic==0.7.4 installed, "pip install -r requirements.txt" on a file that contained "</span><span class="" style="font-size:13px;background-color:rgb(255,255,255)">alembic</span><span style="font-size:13px"><</span><span class="" style="font-size:13px;background-color:rgb(255,255,255)">0.6</span><span style="font-size:13px">.</span><span class="" style="font-size:13px;background-color:rgb(255,255,255)">4</span><span style="font-size:13px">,>=0.</span><span class="" style="font-size:13px;background-color:rgb(255,255,255)">4</span><span style="font-size:13px">.1" was able to downgrade my environment from 0.7.4 to 0.6.3. It seems possible that maybe you could be talking to a PyPi proxy that is missing the older alembic packages, and that adding those packages to the proxy so they can be downloaded might possibly resolve your issue</span></div></div>