[rtems-docs commit] waf: Fix ''NoneType' object is not iterable'

[Chris Johns]

Module:    rtems-docs
Branch:    master
Commit:    b6272bbd566c1ee82667fd2728e6bbc55d0a4086
Changeset: http://git.rtems.org/rtems-docs/commit/?id=b6272bbd566c1ee82667fd2728e6bbc55d0a4086

Author:    Christian Mauderer <oss at c-mauderer.de>
Date:      Sun Nov  6 23:25:24 2016 +0100

waf: Fix ''NoneType' object is not iterable'

---

 common/latex.py | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/common/latex.py b/common/latex.py
index b0cca19..acbd341 100644
--- a/common/latex.py
+++ b/common/latex.py
@@ -126,10 +126,12 @@ def configure_tests(conf):
         bld(features = 'tex', type = 'pdflatex', source = 'main.tex', prompt = 0)
 
     tests = sorted(package_tests.keys())
-    excludes = [p[:p.rfind('.')] for p in local_packages()]
-    for e in excludes:
-        if e in tests:
-            tests.remove(e)
+    local_packs = local_packages()
+    if local_packs is not None:
+        excludes = [p[:p.rfind('.')] for p in local_packs]
+        for e in excludes:
+            if e in tests:
+                tests.remove(e)
 
     fails = 0
     for t in tests: