diff --git a/lux/action/default.py b/lux/action/default.py
index b075232d..de31f2ca 100644
--- a/lux/action/default.py
+++ b/lux/action/default.py
@@ -7,7 +7,6 @@ def register_default_actions():
     from lux.action.filter import add_filter
     from lux.action.generalize import generalize
 
-    print("Register default actions")
     # display conditions for default actions
     no_vis = lambda ldf: (ldf.current_vis is None) or (
         ldf.current_vis is not None and len(ldf.current_vis) == 0
diff --git a/lux/core/series.py b/lux/core/series.py
index 89382660..b1388bb9 100644
--- a/lux/core/series.py
+++ b/lux/core/series.py
@@ -88,7 +88,8 @@ def __repr__(self):
             # 1) Values of the series are of dtype objects (df.dtypes)
             is_dtype_series = all(isinstance(val, np.dtype) for val in self.values)
             # 2) Mixed type, often a result of a "row" acting as a series (df.iterrows, df.iloc[0])
-            mixed_dtype = len(set([type(val) for val in self.values])) > 1
+            # Tolerant for NaNs + 1 type
+            mixed_dtype = len(set([type(val) for val in self.values])) > 2
             if ldf._pandas_only or is_dtype_series or mixed_dtype:
                 print(series_repr)
                 ldf._pandas_only = False