Tests are not running .Dont why

[shankar]

class Circle:
    
    def __init__(self,radius):
        try:
            if(isinstance(radius,float)):
                y=[x / 10.0 for x in range(5, 1005, 5)]
                if(radius in y):
                    self.radius=radius
                else:
                    raise ValueError  
            else:
                raise TypeError        
        except ValueError:
            raise ValueError("radius must be between 0 and 1000 inclusive")
        except TypeError:
            raise TypeError("radius must be a number")
        
    def area(self):
        y=math.pi*(self.radius**2)
        return round(y,2)                    
    def circumference(self):
        x=math.pi*2*self.radius
        return round(x,2)
        
class TestCirce(unittest.TestCase):

    def test_creating_numeric_radius(self):    
        c1=Circle(2.5)        
        self.assertEqual(c1.radius,2.5)

    def test_creating_negative_radius(self):
        c=Circle(-33.5)
        self.assertEqual(c.radius,-33.5)
        self.assertRaises(ValueError)

    def test_creating_greaterthan_radius(self):              
        c=Circle(1003.1)        
        self.assertEqual(c.radius,1003.1)
        self.assertRaises(ValueError)

    def test_creating_nonnumeric_radius(self):        
        c=Circle('hai')      
        self.assertEqual(c.radius,'hai')
        self.assertRaises(TypeError)
if __name__ == '__main__':
    
    fptr = open('output.txt', 'w')
    
    runner = unittest.TextTestRunner(fptr)
    
    unittest.main(testRunner=runner, exit=False)
    
    fptr.close()
    
    with open('output.txt') as fp:
        output_lines = fp.readlines()
        print(output_lines)   

Output:
['\n', '----------------------------------------------------------------------\n', 'Ran 0 tests in 0.000s\n', '\n', 'OK\n']

[ichabod801]

I don't know. It's working for me in both 2.7 and 3.6. I mean, it's getting three errors, but it is running four tests.

[shankar]

Can you tell me why the errors occured?

[shankar]

Thanks buddy.Its working in another compiler as you said