matplotlib
diff --git a/‎lib/matplotlib/ticker.py
Copy file name to clipboardExpand all lines: lib/matplotlib/ticker.py
+3Lines changed: 3 additions & 0 deletions b/‎lib/matplotlib/ticker.py
Copy file name to clipboardExpand all lines: lib/matplotlib/ticker.py
+3Lines changed: 3 additions & 0 deletions
@@ -309,6 +309,9 @@ def set_offset_string(self, ofs):
 class FuncFormatter(Formatter):
     """
     User defined function for formatting
+
+    The function should take in two inputs (tick value *x* and position *pos*)
+    and return a string
     """
     def __init__(self, func):
         self.func = func