conda: fix build on old conda-build.

whitequark · whitequark · commit a619d3720201 · 2015-10-22T12:36:03.000+03:00
diff --git a/conda/migen/meta.yaml b/conda/migen/meta.yaml
@@ -9,7 +9,7 @@ source:
 build:
   noarch_python: true
   number: {{ environ.get("GIT_DESCRIBE_NUMBER", 0) }}
-  string: py_{{ environ.get("GIT_DESCRIBE_NUMBER", 0) }}+git{{ environ.get("GIT_DESCRIBE_HASH")[1:] }}
+  string: py_{{ environ.get("GIT_DESCRIBE_NUMBER", 0) }}+git{{ environ.get("GIT_DESCRIBE_HASH", "")[1:] }}
   script: $PYTHON setup.py install
 
 requirements:
