Fix issue where [xy]minorlocator=1 is not allowed (fixes #219)

lukelbd · lukelbd · commit a5d0c44ffaf5 · 2021-06-29T19:51:45.000-06:00
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
@@ -146,6 +146,7 @@ ProPlot v0.7.0 (2021-06-30)
   rather than passing it to `colorbar()` (:commit:`a23e7043`).
 * Fix issue where axis is accidentally inverted for histogram plots (:issue:`191`).
 * Fix issue where numeric zero cannot be applied as legend label (:commit:`02417c8c`).
+* Fix issue where `minorlocator=1` is not allowed (:issue:`219`).
 * Fix issue where `~proplot.colors.Cycle` fails to register new names and fails to
   display in `~proplot.demos.show_cycles` (:commit:`94ffc1dc`, :commit:`4a7a3c79`).
 * Fix issue where proplot fails to detect legend entries for "outer"
diff --git a/proplot/axes/cartesian.py b/proplot/axes/cartesian.py
@@ -1117,7 +1117,7 @@ def format(
                     axis.set_major_locator(locator)
                     if isinstance(locator, mticker.IndexLocator):
                         tickminor = False  # 'index' minor ticks make no sense
-                if minorlocator in (True, False):
+                if minorlocator is True or minorlocator is False:  # must test identity
                     warnings._warn_proplot(
                         f'You passed {x}minorticks={minorlocator}, but this '
                         'argument is used to specify tick *locations*. If '
