added a line to filter userwarnings, which get raised to say kernel length was given as a not-odd number pretty often in the optimization process, in the main thread, because apparently it sensible also does some of the work in an all hands on deck fashion, and that was resulting in some annoying warnings slipping through

Author: pavelkomarov

pynumdiff/optimize/_optimize.py

@@ -178,6 +178,7 @@ def optimize(func, x, dt, dxdt_truth=None, tvgamma=1e-2, search_space_updates={}
             None for k,v in search_space_types.items()] # None means no bound on a dimension
 
     results = []
+    filterwarnings("ignore", '', UserWarning) # An extra filtering call, because some worker work can actually be done in the main process
     with Pool(initializer=filterwarnings, initargs=["ignore", '', UserWarning]) as pool: # The heavy lifting
         for categorical_combo in categorical_combos:
             # wrap the objective and scipy.optimize.minimize to pass kwargs and a host of other things that remain the same