unable to see allure report details for the below script

'''
Created on Apr 16, 2020

@author: prabha
'''
import pytest
@pytest.fixture
def smart():
global a,b
a = input("Enter variable 1 : ")
b = input("Enter variable 2 : ")
yield
print("-------------------")

@pytest.mark.run(order=1)
def test_case_add(smart):
result = int(a) + int(b)
print("the Output is : " +str(result))

@pytest.mark.run(order=4)
def test_case_difference(smart):
result = int(a) - int(b)
print("the Output is : " +str(result))

@pytest.mark.run(after="test_case_difference")
def test_case_product(smart):
result = int(a) * int(b)
print("the Output is : " +str(result))

@pytest.mark.run(order=2)
def test_case_div(smart):
result = int(a) * int(b)
print("the Output is : " +str(result))

--------------

platform win32 -- Python 3.7.6, pytest-5.3.5, py-1.8.1, pluggy-0.13.1
rootdir: C:\Users\prabha\eclipse-workspace\SeleniumPython
plugins: allure-pytest-2.8.13
collected 4 items

Module14\test_allureDemo.py Enter variable 1 : 3
Enter variable 2 : 2
the Output is : 5
.-------------------
Enter variable 1 : 2
Enter variable 2 : 4
the Output is : -2
.-------------------
Enter variable 1 : 5
Enter variable 2 : 6
the Output is : 30
.-------------------
Enter variable 1 : 25
Enter variable 2 : 5
the Output is : 125
.-------------------

============================== warnings summary ===============================
C:\Users\prabha\AppData\Local\Programs\Python\Python37\lib\site-packages\_pytest\mark\structures.py:327
C:\Users\prabha\AppData\Local\Programs\Python\Python37\lib\site-packages\_pytest\mark\structures.py:327: PytestUnknownMarkWarning: Unknown pytest.mark.run - is this a typo? You can register custom marks to avoid this warning - for details, see https://docs.pytest.org/en/latest/mark.html
PytestUnknownMarkWarning,

-- Docs: https://docs.pytest.org/en/latest/warnings.html
======================== 4 passed, 1 warning in 34.65s ========================

---------------------------------

screen shot attached for windows powershell