Merge pull request #141 from OpenSourceBrain/test_pynn012

 Update brian, nrn, nest

Author: pgleeson

omv/engines/getbrian2.py

@@ -5,7 +5,7 @@
 
 def install_brian2(version):
     if not version:
-        version = "2.7.1"
+        version = "2.9.0"
     try:
         pip_install("brian2", version)
         import brian2

omv/engines/getnest.py

@@ -8,7 +8,7 @@
 
 def install_nest(version):
     if not version:
-        version = "3.5"
+        version = "3.7"
 
     inform("Installing NEST", indent=2, verbosity=1)
     nestpath = os.path.join(os.environ["HOME"], "nest")

omv/engines/getnrn.py

@@ -10,7 +10,7 @@
 def install_neuron(version):
     if not version:
         if sys.version_info.major == 3:
-            version = "8.2.7"  # for pynn 0.11.0
+            version = "8.2.7"  
         else:
             version = "7.6"
 

utilities/tests/.test.exIzh.jnml.omt

@@ -13,4 +13,4 @@ experiments:
           scaling: [1000, 1000]
         spike detection: 
           method: threshold
-        tolerance: 0.000051
+        tolerance: 5.0862371508887715e-05

utilities/tests/.test.exIzh.jnmleden.omt

@@ -13,4 +13,4 @@ experiments:
           scaling: [1000, 1000]
         spike detection:
           method: threshold
-        tolerance: 0.00014888369126089628
+        tolerance: 0.00014884116521364865