fixing last couple things

Author: pavelkomarov

pynumdiff/optimize/_optimize.py

@@ -160,7 +160,7 @@ def optimize(func, x, dt, search_space={}, dxdt_truth=None, tvgamma=1e-2, paddin
     singleton_params = {k:v for k,v in params.items() if not isinstance(v, list)}
 
     # The search space is the Cartesian product of all dimensions where multiple options are given
-    search_space_types = {k:type(v[0]) for k,v in params.items() if isinstance(v, list)} # map param name -> type for converting to and frompoint
+    search_space_types = {k:type(v[0]) for k,v in params.items() if isinstance(v, list)} # map param name -> type for converting to and from point
     if any(v not in [float, int, bool] for v in search_space_types.values()):
         raise ValueError("Optimization over categorical strings currently not supported")
     # If excluding string type, I can just cast ints and bools to floats, and we're good to go

pynumdiff/tests/conftest.py

@@ -17,4 +17,4 @@ def pytest_sessionfinish(session, exitstatus):
         fig.legend(*axes[-1, -1].get_legend_handles_labels(), loc='lower left', ncol=2)
         fig.suptitle(method.__name__)
         fig.tight_layout()
-        pyplot.show()
+    pyplot.show()

pynumdiff/tests/test_diff_methods.py

@@ -52,7 +52,6 @@ def iterated_first_order(*args, **kwargs): return first_order(*args, **kwargs)
     (smooth_acceleration, {'gamma':2, 'window_size':5}), (smooth_acceleration, [2, 5]),
     (jerk_sliding, {'gamma':1, 'window_size':15}), (jerk_sliding, [1], {'window_size':15})
     ]
-#diff_methods_and_params = [(second_order, {'num_iterations':1})]
 
 # All the testing methodology follows the exact same pattern; the only thing that changes is the
 # closeness to the right answer various methods achieve with the given parameterizations. So index a