Fix build.py

build.py

@@ -11,15 +11,8 @@ current_dir = os.getcwd()
 
 def getVersions():
     directories = [name for name in os.listdir(current_dir) if os.path.isdir(os.path.join(current_dir, name)) and not name.startswith(".")]
-    packVersions = []
-    for s in directories:
-        try:
-            num = int(s)
-            packVersions.append(num)
-        except ValueError:
-            pass
-    packVersions.sort()
-    return packVersions
+    directories = sorted(directories, key=lambda x: float(x))
+    return directories
 
 def buildPack(dir, version):
     current_path = os.path.join(current_dir, str(version))