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-rw-r--r--tools/dfagen/dfagen/command.py8
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/dfagen/dfagen/command.py b/tools/dfagen/dfagen/command.py
index d384087e..36f4803d 100644
--- a/tools/dfagen/dfagen/command.py
+++ b/tools/dfagen/dfagen/command.py
@@ -1,4 +1,10 @@
-import dfagen.parser, dfagen.output
+import dfagen.output
+try:
+ import dfagen.parser
+except ImportError:
+ print "--> You should run yapps on parser.g!"
+ raise
+
from optparse import OptionParser
def run ():