lnt: fix sorting requirement on int

Change-Id: I30015a13ea58deac89ceed072440beaa6283b64e

Author: TamarChristinaArm

lnt/server/ui/views.py

@@ -197,7 +197,11 @@ def ts_data(ts):
     baseline_id = flask.session.get(baseline_key(ts.name))
     # Sorted baselines by llvm_project_revision in ascending order.
     baselines = request.session.query(ts.Baseline).all()
-    baselines.sort(key=lambda b: int(b.order.llvm_project_revision))
+    # First try numerically, then lexicographically
+    try:
+      baselines.sort(key=lambda b: float(b.order.llvm_project_revision))
+    except:
+      baselines.sort(key=lambda b: b.order.llvm_project_revision)
     return {
         'baseline_id': baseline_id,
         'baselines': baselines,