minor style change based on 5b80d70e

minor style change based on 5b80d70e

diff --git a/lib/prometheus_exporter/instrumentation/unicorn.rb b/lib/prometheus_exporter/instrumentation/unicorn.rb
index ad93777..cebbae3 100644
--- a/lib/prometheus_exporter/instrumentation/unicorn.rb
+++ b/lib/prometheus_exporter/instrumentation/unicorn.rb
@@ -53,7 +53,7 @@ module PrometheusExporter::Instrumentation
       return nil unless File.exist?(@pid_file)
       pid = File.read(@pid_file).to_i
 
-      return nil unless pid && pid > 0
+      return nil if pid < 1
 
       # find all processes whose parent is the unicorn master
       # but we're actually only interested in the number of processes (= lines of output)

GitHub sha: 9d192287