BUG: Replaced ValueError exception with TypeError exception in df.where() function

pandas/core/frame.py

@@ -10365,7 +10365,29 @@ def map(
            0  1
         0  3  4
         1  5  5
-
+<<<<<<< HEAD
+
+        >>> df.map(round, digits=2)
+                 0     1
+           0  1.00  2.12
+           1  3.36  4.57
+=======
+
+        >>> def foo(x):
+                if x > 2.5:
+                    x = 2
+
+                elif x <= 2.5:
+                    x = 1
+
+                return x
+
+        >>> df.map(foo)
+              0  1
+           0  1  1
+           1  2  2
+>>>>>>> parent of 6f40da17ba (Updated Documentation for the map method)
+
         Like Series.map, NA values can be ignored:
 
         >>> df_copy = df.copy()

pandas/core/generic.py

@@ -10683,11 +10683,11 @@ def _where(
             if not isinstance(cond, ABCDataFrame):
                 # This is a single-dimensional object.
                 if not is_bool_dtype(cond):
-                    raise ValueError(msg.format(dtype=cond.dtype))
+                    raise TypeError(msg.format(dtype=cond.dtype))
             else:
                 for _dt in cond.dtypes:
                     if not is_bool_dtype(_dt):
-                        raise ValueError(msg.format(dtype=_dt))
+                        raise TypeError(msg.format(dtype=_dt))
                 if cond._mgr.any_extension_types:
                     # GH51574: avoid object ndarray conversion later on
                     cond = cond._constructor(