relax tol attention conversion test (#3842)

Author: williamberman

tests/models/test_attention_processor.py

@@ -115,5 +115,5 @@ def test_conversion_when_using_device_map(self):
             output_type="np",
         ).images
 
-        self.assertTrue(np.allclose(pre_conversion, conversion))
-        self.assertTrue(np.allclose(conversion, after_conversion))
+        self.assertTrue(np.allclose(pre_conversion, conversion, atol=1e-5))
+        self.assertTrue(np.allclose(conversion, after_conversion, atol=1e-5))