diff --git a/.travis.yml b/.travis.yml
index 386d2310..7abb73a9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,9 +6,11 @@ install:
 python:
   - '2.7'
   - '3.6'
+  - '3.8'
+  - 'nightly'
 
 branches:
   only:
   - master
 
-script: ./tcipylint
\ No newline at end of file
+script: ./tcipylint
diff --git a/cime_config/buildnml b/cime_config/buildnml
index ee9b0f1f..9d18d713 100755
--- a/cime_config/buildnml
+++ b/cime_config/buildnml
@@ -565,7 +565,6 @@ def buildnml(case, caseroot, component):
         shutil.copy(filename, rundir)
 
     # copy fd_cesm.yaml to rundir
-    cimeroot = case.get_value("CIMEROOT")
     fd_dir = os.path.join(os.path.dirname(__file__),os.pardir,"mediator")
     coupling_mode = case.get_value('COUPLING_MODE')
     if coupling_mode == 'cesm':
diff --git a/tcipylint b/tcipylint
index 6e020a08..e9517f94 100755
--- a/tcipylint
+++ b/tcipylint
@@ -3,6 +3,6 @@ args="--disable=I,C,R,logging-not-lazy,wildcard-import,unused-wildcard-import,fi
 failed=0
 for file in cime_config/buildexe cime_config/buildnml cime_config/runseq/*
 do
-    pylint $args $file || failed=$failed+1
+    pylint $args $file || failed=$(( failed + 1 ))
 done
 exit $failed