diff --git a/corrscope/gui/view_mainwindow.py b/corrscope/gui/view_mainwindow.py
index e51a549..abc128b 100644
--- a/corrscope/gui/view_mainwindow.py
+++ b/corrscope/gui/view_mainwindow.py
@@ -59,7 +59,7 @@ class MainWindow(QWidget):
 
         width = 1280
         height = 0
-        MainWindow.resize(width * scale, height * scale)
+        MainWindow.resize(int(width * scale), int(height * scale))
 
         s = LayoutStack(MainWindow)
 
diff --git a/tests/test_model_bind.py b/tests/test_model_bind.py
index b835599..6ff9eb8 100644
--- a/tests/test_model_bind.py
+++ b/tests/test_model_bind.py
@@ -1,5 +1,5 @@
 import pytest
-from pytest_cases import pytest_fixture_plus
+from pytest_cases import fixture
 
 from corrscope.gui.model_bind import rgetattr, rsetattr, rhasattr, flatten_attr
 
@@ -22,7 +22,7 @@ class Residence(object):
         self.sqft = sqft
 
 
-@pytest_fixture_plus
+@fixture
 @pytest.mark.parametrize("s", ["__", "."])
 def separator(s: str) -> str:
     return s
diff --git a/tests/test_trigger.py b/tests/test_trigger.py
index 1160cc8..84331e6 100644
--- a/tests/test_trigger.py
+++ b/tests/test_trigger.py
@@ -7,7 +7,7 @@ from matplotlib.axes import Axes
 from matplotlib.figure import Figure
 
 # Pycharm assumes anything called "fixture" is pytest.fixture.
-from pytest_cases import pytest_fixture_plus as fixture
+from pytest_cases import fixture
 
 from corrscope import triggers
 from corrscope.triggers import (