MAINT: Work around NumPy deprecation (#11878)

doc/conf.py

@@ -1299,6 +1299,10 @@ def reset_warnings(gallery_conf, fname):
         "ignore",
         message="Matplotlib is currently using agg, which is a non-GUI backend.*",
     )
+    warnings.filterwarnings(
+        "ignore",
+        message=".*is non-interactive, and thus cannot.*",
+    )
     # seaborn
     warnings.filterwarnings(
         "ignore",

mne/conftest.py

@@ -123,8 +123,6 @@ def pytest_configure(config):
     ignore:unclosed event loop <:ResourceWarning
     # ignore if joblib is missing
     ignore:joblib not installed.*:RuntimeWarning
-    # TODO: This is indicative of a problem
-    ignore:.*Matplotlib is currently using agg.*:
     # qdarkstyle
     ignore:.*Setting theme=.*:RuntimeWarning
     # scikit-learn using this arg
@@ -158,6 +156,12 @@ def pytest_configure(config):
     ignore:.*np\.find_common_type is deprecated.*:DeprecationWarning
     # https://github.com/joblib/joblib/issues/1454
     ignore:.*`byte_bounds` is dep.*:DeprecationWarning
+    # numpy distutils used by SciPy
+    ignore:(\n|.)*numpy\.distutils` is deprecated since NumPy(\n|.)*:DeprecationWarning
+    ignore:datetime\.utcfromtimestamp.*is deprecated:DeprecationWarning
+    ignore:The numpy\.array_api submodule is still experimental.*:UserWarning
+    # tqdm (Fedora)
+    ignore:.*'tqdm_asyncio' object has no attribute 'last_print_t':pytest.PytestUnraisableExceptionWarning
     """  # noqa: E501
     for warning_line in warning_lines.split("\n"):
         warning_line = warning_line.strip()

mne/viz/_mpl_figure.py

@@ -81,6 +81,9 @@
 #   https://github.com/matplotlib/matplotlib/issues/23298
 #   but wrapping it in ion() context makes it go away.
 #   Moving this bit to a separate function in ../../fixes.py doesn't work.
+#
+#   TODO: Once we require matplotlib 3.6 we should be able to remove this.
+#   It also causes some problems... see mne/viz/utils.py:plt_show() for details.
 
 # CONSTANTS (inches)
 ANNOTATION_FIG_PAD = 0.1

mne/viz/topo.py

@@ -496,7 +496,7 @@ def _imshow_tfr_unified(
         ax.imshow(
             tfr[ch_idx],
             clip_on=True,
-            clip_box=bn.pos,
+            clip_box=tuple(bn.pos),
             extent=extent,
             aspect="auto",
             origin="lower",
@@ -672,7 +672,7 @@ def _plot_timeseries_unified(
                 linewidth=0.5,
                 color=color_,
                 clip_on=True,
-                clip_box=pos,
+                clip_box=tuple(pos),
             )[0]
         )
     if vline:

mne/viz/utils.py

@@ -145,9 +145,19 @@ def plt_show(show=True, fig=None, **kwargs):
 
     if hasattr(fig, "mne") and hasattr(fig.mne, "backend"):
         backend = fig.mne.backend
+        # TODO: This is a hack to deal with the fact that the
+        # with plt.ion():
+        #     BACKEND = get_backend()
+        # an the top of _mpl_figure detects QtAgg during testing even though
+        # we've set the backend to Agg.
+        if backend != "agg":
+            gotten_backend = get_backend()
+            if gotten_backend == "agg":
+                backend = "agg"
     else:
         backend = get_backend()
     if show and backend != "agg":
+        logger.debug(f"Showing plot for backend {repr(backend)}")
         (fig or plt).show(**kwargs)