Index: support/build.sh
===================================================================
--- support/build.sh	(revision 11737)
+++ support/build.sh	(working copy)
@@ -841,7 +841,7 @@
   local n="pycrypto";
   local p="${n}-${v}";
   py_dependency -o -v "${v}" -m "783e45d4a1a309e03ab378b00f97b291" \
-    "PyCrypto" "${n}" "${p}" \
+    "PyCrypto" "Crypto" "${p}" \
     "http://ftp.dlitz.net/pub/dlitz/crypto/${n}/${p}.tar.gz";
 
   local v="0.1.2";
@@ -886,7 +886,7 @@
   local n="Nevow";
   local p="${n}-${v}";
   py_dependency -o -m "66dda2ad88f42dea05911add15f4d1b2" \
-    "${n}" "${n}" "${p}" \
+    "${n}" "nevow" "${p}" \
     "https://pypi.python.org/packages/source/N/${n}/${p}.tar.gz";
 
   local v="0.4";
Index: support/py.sh
===================================================================
--- support/py.sh	(revision 11737)
+++ support/py.sh	(working copy)
@@ -107,6 +107,9 @@
     done;
 
     if [ -z "${module_version}" ]; then
+        module_version=$("${python}" -c 'import pkg_resources; print pkg_resources.get_distribution("'"${module}"'").version;');
+    fi
+    if [ -z "${module_version}" ]; then
       if ! "${print_path}"; then
         echo "Unable to determine version for ${module}.";
       fi;