Fix typos

Author: jessegrabowski

pymc/sampling/parallel.py

@@ -496,7 +496,7 @@ def __init__(
         )
 
         self.progress_stats = progress_stats
-        self.update_stats = step_method._make_update_stat_function()
+        self.update_stats = step_method._make_update_stats_function()
 
         self._show_progress = progressbar
         self._divergences = 0

pymc/step_methods/compound.py

@@ -318,7 +318,7 @@ def _progressbar_config(self, n_chains=1):
 
         return columns, stats
 
-    def _make_update_stat_function(self):
+    def _make_update_stats_function(self):
         update_fns = [method._make_update_stats_function() for method in self.methods]
 
         def update_stats(stats, step_stats, chain_idx):

pymc/step_methods/hmc/nuts.py

@@ -248,7 +248,7 @@ def _progressbar_config(n_chains=1):
         return columns, stats
 
     @staticmethod
-    def _make_update_stat_function():
+    def _make_update_stats_function():
         def update_stats(stats, step_stats, chain_idx):
             if isinstance(step_stats, list):
                 step_stats = step_stats[0]