Merge branch 'fix/manager-past-configuration-timeout' into 'master'

Wrap call to receive past configuration for restored keys in wait_for to catch timeout

See merge request !39

src/calng/CalibrationManager.py

@@ -1135,8 +1135,11 @@ class CalibrationManager(DeviceClientBase, Device):
         if key_patterns:
             try:
                 # Try to obtain most recent configuration.
-                old_config = await getConfigurationFromPast(
-                    device_id, datetime.now().isoformat())
+                old_config = await wait_for(getConfigurationFromPast(
+                    device_id, datetime.now().isoformat()), 15.0)
+            except AsyncTimeoutError:
+                self.logger.warn(f'Timeout receiving previous configuration '
+                                 f'for {device_id}')
             except KaraboError as e:
                 self.logger.warn(f'Failed receiving previous configuration '
                                  f'for {device_id}: {e}')