fix string when no energy is passed (#45)

lenzip · web-flow · commit 2326d447a068 · 2024-05-29T19:39:28.000+02:00
diff --git a/src/cmsstyle/cmsstyle.py b/src/cmsstyle/cmsstyle.py
@@ -13,7 +13,7 @@
 
 def SetEnergy(energy, unit = "TeV"):
     global cms_energy
-    cms_energy = str(energy) + " " + unit
+    cms_energy = str(energy) + " " + unit if energy != "" else ""
 
 
 def SetLumi(lumi, unit="fb", round_lumi=False):
