ADD: libevent lib

env/merlin/sysconfigs/packages.yaml

@@ -150,6 +150,10 @@ packages:
     externals:
     - spec: krb5@1.20
       prefix: /opt/psi/Tools/krb5/1.20
+  libevent:
+    externals:
+    - prefix: /opt/psi/Libraries/libevent/2.1.8
+      spec: libevent@2.1.8
   libfuse:
     buildable: false
     externals:
@@ -230,8 +234,8 @@ packages:
       prefix: /opt/psi/Libraries/pmix/3.2.3
   python:
     externals:
-    - spec: python@3.9.10
-      prefix: /opt/psi/Programming/Python/3.9.10
+    - spec: python@2.7.5
+      prefix: /usr
   r:
     externals:
     - spec: r@4.1.1.0
@@ -251,7 +255,7 @@ packages:
       prefix: /usr
   slurm:
     externals:
-    - spec: slurm@21.08.6%gcc
+    - spec: slurm@21.08.6
       prefix: /opt/psi/Batchsystem/slurm/21.08.6
   subversion:
     externals: