BUG: set_precision format fixed (pandas-dev#13257)

Author: AntonioAndraues

pandas/io/formats/style.py

@@ -151,7 +151,7 @@ def __init__(
 
         def default_display_func(x):
             if is_float(x):
-                return "{:>.{precision}g}".format(x, precision=self.precision)
+                return "{0:.{precision}f}".format(x, precision=self.precision).rstrip('0').rstrip('.')
             else:
                 return x