Import missing SurfaceError from pypiezo.surface.

diff --git a/pyafm/afm.py b/pyafm/afm.py
index bae7e3947eb2536395c7352ec4d4a68b17a37a59..61c44f112df42595127056e46af931c1a795bb23 100644 (file)
--- a/pyafm/afm.py
+++ b/pyafm/afm.py
@@ -27,6 +27,7 @@ from pypiezo.base import convert_bits_to_meters as _convert_bits_to_meters
 from pypiezo.base import convert_meters_to_bits as _convert_meters_to_bits
 from pypiezo.base import convert_volts_to_bits as _convert_volts_to_bits
 from pypiezo.surface import FlatFit as _FlatFit
+from pypiezo.surface import SurfaceError as _SurfaceError
 
 from . import LOG as _LOG