na formatter

TomAugspurger · Nov 9, 2018 · 1885a97 · 1885a97
1 parent fef04e6
commit 1885a97
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/pandas/core/arrays/integer.py b/pandas/core/arrays/integer.py
@@ -264,6 +264,13 @@ def _from_sequence(cls, scalars, dtype=None, copy=False):
     def _from_factorized(cls, values, original):
         return integer_array(values, dtype=original.dtype)
 
+    def _formatter(self, boxed=False):
+        def fmt(x):
+            if isna(x):
+                return 'NaN'
+            return str(x)
+        return fmt
+
     def __getitem__(self, item):
         if is_integer(item):
             if self._mask[item]: