Set spike_depths as nullable attribute

Author: kabilar

element_array_ephys/ephys_acute.py

@@ -503,7 +503,7 @@ class Unit(dj.Part):
         spike_count: int         # how many spikes in this recording for this unit
         spike_times: longblob    # (s) spike times of this unit, relative to the start of the EphysRecording
         spike_sites : longblob   # array of electrode associated with each spike
-        spike_depths : longblob  # (um) array of depths associated with each spike, relative to the (0, 0) of the probe    
+        spike_depths=null : longblob  # (um) array of depths associated with each spike, relative to the (0, 0) of the probe    
         """
 
     def make(self, key):

element_array_ephys/ephys_chronic.py

@@ -502,7 +502,7 @@ class Unit(dj.Part):
         spike_count: int         # how many spikes in this recording for this unit
         spike_times: longblob    # (s) spike times of this unit, relative to the start of the EphysRecording
         spike_sites : longblob   # array of electrode associated with each spike
-        spike_depths : longblob  # (um) array of depths associated with each spike, relative to the (0, 0) of the probe    
+        spike_depths=null : longblob  # (um) array of depths associated with each spike, relative to the (0, 0) of the probe    
         """
 
     def make(self, key):

element_array_ephys/ephys_precluster.py

@@ -636,7 +636,7 @@ class Unit(dj.Part):
         spike_count: int         # how many spikes in this recording for this unit
         spike_times: longblob    # (s) spike times of this unit, relative to the start of the EphysRecording
         spike_sites : longblob   # array of electrode associated with each spike
-        spike_depths : longblob  # (um) array of depths associated with each spike, relative to the (0, 0) of the probe    
+        spike_depths=null : longblob  # (um) array of depths associated with each spike, relative to the (0, 0) of the probe    
         """
 
     def make(self, key):