Always specify magnitude for Range values

Otherwise, the expression relies on str to render a Fraction value as a
stringifiable number. The parsing of the value prevents this from not
happening.

Signed-off-by: mulhern <[email protected]>

src/stratis_cli/_actions/_logical.py

@@ -78,13 +78,13 @@ def create_volumes(namespace):
         requested_size_arg = (
             (False, "")
             if namespace.size is None
-            else (True, str(namespace.size.magnitude))
+            else (True, namespace.size.magnitude.numerator)
         )
 
         requested_size_limit_arg = (
             (False, "")
             if namespace.size_limit is None
-            else (True, str(namespace.size_limit.magnitude))
+            else (True, namespace.size_limit.magnitude.numerator)
         )
 
         requested_specs = [
@@ -307,7 +307,7 @@ def set_size_limit(namespace):  # pylint: disable=too-many-locals
             )
 
         Filesystem.Properties.SizeLimit.Set(
-            get_object(fs_object_path), (True, new_limit.magnitude)
+            get_object(fs_object_path), (True, new_limit.magnitude.numerator)
         )
 
     @staticmethod

src/stratis_cli/_parser/_range.py

@@ -72,7 +72,11 @@ def parse_range(values):
 
     units = _unit_map(unit)
 
-    return Range(int(magnitude), units)
+    result = Range(int(magnitude), units)
+
+    assert result.denominator == 1
+
+    return result
 
 
 class RejectAction(argparse.Action):