diff --git a/pyrightconfig.json b/pyrightconfig.json
index 657b58f008a..1b7d1fb5868 100644
--- a/pyrightconfig.json
+++ b/pyrightconfig.json
@@ -2,6 +2,15 @@
     "include": [
       "src/sage/manifolds"
     ],
-  
-    "pythonVersion": "3.7"
+    "executionEnvironments": [
+      {
+        "root": "src"
+      }
+    ],  
+    "pythonVersion": "3.7",
+
+    "reportMissingImports": "warning",
+    "reportGeneralTypeIssues": "warning",
+    "reportUnboundVariable": "warning",
+    "reportDuplicateImport": "error"
 }
diff --git a/src/sage/manifolds/chart.py b/src/sage/manifolds/chart.py
index 07e3fa94aee..247d2b5e8a4 100644
--- a/src/sage/manifolds/chart.py
+++ b/src/sage/manifolds/chart.py
@@ -2928,7 +2928,7 @@ def _plot_xx_list(xx_list, rem_coords, ranges, steps, number_values):
                 resu._extra_kwds['axes_labels'] = [r'$'+latex(ac)+r'$'
                                                    for ac in ambient_coords]
         else: # 3D graphic
-            resu.aspect_ratio(1)
+            resu.set_aspect_ratio(1)
             if label_axes:
                 labels = [str(ac) for ac in ambient_coords]
                 resu = set_axes_labels(resu, *labels)