fix .5 value

Author: misspran

treeherder/perf/stats.py

@@ -374,6 +374,7 @@ def interpret_cles(
     delta,
     interpretation,
     lower_is_better,
+    pval_threshold=PVALUE_THRESHOLD,
 ):
     try:
         cles = None
@@ -387,7 +388,7 @@ def interpret_cles(
         if cles:
             mann_whitney_u_cles = (
                 f"{cles:.2f} → {cles * 100:.0f}% chance a value from `base` is greater than a value from `new`"
-                if cles >= 0.5
+                if cles >= pval_threshold
                 else f"{1 - cles:.2f} → {100 - cles * 100:.0f}% chance a value from `new` is greater than a value from `base`"
             )
         else: