pypid.backend: Fix Backend.get_duwn_gains -> get_down_gains typo

This isn't critical since it's just a stub method, but still nice to
spell things correctly ;).

diff --git a/pypid/backend/__init__.py b/pypid/backend/__init__.py
index 15f0a79212747e22070bb18a11a5f28a599f539a..e52dce056be4e1baa1611ebbffa34c68f750724b 100644 (file)
--- a/pypid/backend/__init__.py
+++ b/pypid/backend/__init__.py
@@ -142,7 +142,7 @@ class PIDMixin (object):
         "Get the process variable setpoint in PV-units"
         raise NotImplementedError()
 
-    def get_duwn_gains(self):
+    def get_down_gains(self):
         """..."""
         raise NotImplementedError()