Merge pull request #134 from ei-grad/issue126

More intuitive error message when phantom is missing, fix #126

yandextank/plugins/Phantom/plugin.py

@@ -104,7 +104,11 @@ class PhantomPlugin(AbstractPlugin, AggregateResultListener):
             self.config = self.phantom.compose_config()
             args = [self.phantom_path, 'check', self.config]
 
+            try:
                 result = tankcore.execute(args, catch_out=True)
+            except OSError:
+                raise RuntimeError("Phantom I/O engine is not installed!")
+
             retcode = result[0]
             if retcode:
                 raise RuntimeError(