Merge pull request #1760 from kernc/fixup

[FIX] TimeVariable: don't crash Data Table when reloading and Visualize ...

Orange/data/variable.py

@@ -921,7 +921,7 @@ def repr_val(self, val):
             return '?'
         if not self.have_date and not self.have_time:
             # The time is relative, unitless. The value is absolute.
-            return str(val)
+            return str(val.value) if isinstance(val, Value) else str(val)
 
         # If you know how to simplify this, be my guest
         seconds = int(val)

Orange/tests/test_variable.py

@@ -382,6 +382,10 @@ def test_readwrite_timevariable(self):
         self.assertEqual(input_csv.getvalue().splitlines(),
                          output_csv.getvalue().splitlines())
 
+    def test_repr_value(self):
+        # https://github.com/biolab/orange3/pull/1760
+        var = TimeVariable('time')
+        self.assertEqual(var.repr_val(Value(var, 416.3)), '416.3')
 
 
 PickleContinuousVariable = create_pickling_tests(