PES detector

Some mnemonics and functions related to the Photo-Electron Spectrometer (PES). Documentation in the form of a notebook.

src/toolbox_scs/detectors/pes.py

@@ -157,7 +157,7 @@ def get_pes_params(run):
             break
     if 'gas' not in params:
         params['gas'] = 'unknown'
-    log.warning('Could not find which PES gas was used.')
+        log.warning('Could not find which PES gas was used.')
     arr = sel.get_array(*mnemonics['PES_RV'].values())
     params['ret_voltage'] = float(arr[0].values)
     return params