[minor] reformat yaml file

parameters.yaml

@@ -1,10 +1,10 @@
 # Parameters file for Surveillance Bot
-datapath: '/data/SDS/'      # SC3 Datapath
-networks: ['1Y', 'HA']
-stations: '*'
-locations: '*'
-channels: ['EX1', 'EX2', 'EX3', 'VEI']    # Specify SOH channels, currently supported EX[1-3] and VEI
-stations_blacklist: ['TEST', 'EREA']
+datapath: "/data/SDS/"      # SC3 Datapath
+networks: ["1Y", "HA"]
+stations: "*"
+locations: "*"
+channels: ["EX1", "EX2", "EX3", "VEI"]    # Specify SOH channels, currently supported EX[1-3] and VEI
+stations_blacklist: ["TEST", "EREA"]
 networks_blacklist: []
 interval: 60               # Perform checks every x seconds
 n_track: 120               # wait number of intervals after FAIL before performing an action (i.e. send mail)
@@ -26,7 +26,7 @@ POWBOX:
   pb_ok: 1  # Voltage for PowBox OK
   pb_SOH2: # PowBox channel 2 voltage translations
     -1: {"230V": "PBox under 1V", "12V": "PBox under 1V"}
-    1: {"230V": 'OK', "12V": "OK"}
+    1: {"230V": "OK", "12V": "OK"}
     2: {"230V": "OFF", "12V": "OK"}
     3: {"230V": "OK", "12V": "overvoltage"}
     4: {"230V": "OK", "12V": "undervoltage"}
@@ -51,9 +51,9 @@ THRESHOLDS:
 
 # E-mail notifications
 EMAIL:
-  mailserver: 'localhost'
-  addresses: ['marcel.paffrath@rub.de', 'kasper.fischer@rub.de']  # list of mail addresses for info mails
-  sender: 'webmaster@geophysik.ruhr-uni-bochum.de' # mail sender
+  mailserver: "localhost"
+  addresses: ["marcel.paffrath@rub.de", "kasper.fischer@rub.de"]  # list of mail addresses for info mails
+  sender: "webmaster@geophysik.ruhr-uni-bochum.de" # mail sender
 
 # Factor for channel to SI-units (for plotting)
 CHANNEL_UNITS:
@@ -65,5 +65,5 @@ CHANNEL_UNITS:
 # Transform channel for plotting, perform arithmetic operations in given order, e.g.: PBox EX1 V to deg C: 20 * x -20
 CHANNEL_TRANSFORM:
   EX1:
-    - ['*', 20]
-    - ['-', 20]
+    - ["*", 20]
+    - ["-", 20]