Making source optional
Otherwise it makes it awkward to pass in arguments for single step tools
We will revisit checkers...
@@ -1570,7 +1570,7 @@ def schema_flowgraph(cfg, step='default', index='default'):
'switch': "-flowgraph_weight 'step metric <float>'",
'type': 'float',
'lock': 'false',
- 'requirement': 'all,',
+ 'requirement': None,
'defvalue': [],
'shorthelp': 'Flowgraph metric weights',
'example': [
