diff --git a/src/ffx/process.py b/src/ffx/process.py
index 1ec79a1..08953bd 100644
--- a/src/ffx/process.py
+++ b/src/ffx/process.py
@@ -15,14 +15,8 @@ def executeProcess(commandSequence: List[str], directory: str = None, context: d
 
     niceSequence = []
 
-    niceness = (int(context['resource_limits']['niceness'])
-                        if not context is None
-                        and 'resource_limits' in context.keys()
-                        and 'niceness' in context['resource_limits'].keys() else 99)
-    cpu_percent = (int(context['resource_limits']['cpu_percent'])
-                        if not context is None
-                        and 'resource_limits' in context.keys()
-                        and 'cpu_percent' in context['resource_limits'].keys() else 0)
+    niceness = int((context or {}).get('resource_limits', {}).get('niceness', 99))
+    cpu_percent = int((context or {}).get('resource_limits', {}).get('cpu_percent', 0))
 
     if niceness >= -20 and niceness <= 19:
         niceSequence += ['nice', '-n', str(niceness)]