add missing parenthese, update release.py

asyncua/common/structures.py

@@ -109,7 +109,7 @@ class Field(object):
         self.array = False
 
     def __str__(self):
-        return f"Field(name={self.name}, uatype={self.uatype}"
+        return f"Field(name={self.name}, uatype={self.uatype})"
 
     __repr__ = __str__
 

release.py

@@ -33,7 +33,7 @@ def release():
         ans = input("upload to pip?(Y/n)")
         if ans in ("", "y", "yes"):
             os.system("rm -rf dist/*")
-            os.system("python setup.py sdist")
+            os.system("python3 setup.py sdist")
             os.system("twine upload dist/*")