fix

rowers/c2stuff.py

@@ -81,6 +81,9 @@ def getagegrouprecord(age, sex='male', weightcategory='hwt',
         def errfunc(pars, x, y):
             return fitfunc(pars, x)-y
 
+        p0 = [700, 120, 700, 10, 100, 100]
+
+
         try:
             p1, success = optimize.leastsq(errfunc, p0[:],
                                            args=(ages, powers))