Fix codacy issues

src/lava/proc/plateau/models.py

@@ -50,6 +50,9 @@ def __init__(self, proc_params):
         self.vth_shift = 6
         self.act_shift = 6
         self.isthrscaled = False
+        self.effective_vth_dend = None
+        self.effective_vth_soma = None
+        self.s_out_buff = None
 
     def _validate_var(self, var, var_type, min_val, max_val, var_name):
         if type(var) is not var_type:

tests/lava/proc/plateau/test_models.py

@@ -5,7 +5,6 @@
 
 import unittest
 import numpy as np
-
 from lava.proc.plateau.process import Plateau
 from lava.proc.dense.process import Dense
 from lava.proc.io.source import RingBuffer as Source
@@ -85,7 +84,7 @@ def test_up_dur(self):
         dense_dend.a_out.connect(plat.a_dend_in)
         # run model
         test_up_state = []
-        for t in range(num_steps):
+        for _ in range(num_steps):
             plat.run(RunSteps(1), Loihi2SimCfg(select_tag='fixed_pt'))
             test_up_state.append(plat.up_state.get().astype(int)[0])
         plat.stop()

tests/lava/proc/plateau/test_process.py

@@ -4,7 +4,6 @@
 
 
 import unittest
-import numpy as np
 from lava.proc.plateau.process import Plateau