diff --git a/xarray/__init__.py b/xarray/__init__.py
index e818d6c53b2..e474cee85ad 100644
--- a/xarray/__init__.py
+++ b/xarray/__init__.py
@@ -78,13 +78,13 @@
     "combine_by_coords",
     "combine_nested",
     "concat",
+    "corr",
+    "cov",
+    "cross",
     "date_range",
     "date_range_like",
     "decode_cf",
     "dot",
-    "cov",
-    "corr",
-    "cross",
     "full_like",
     "get_options",
     "group_subtrees",
@@ -121,8 +121,8 @@
     "Index",
     "IndexSelResult",
     "IndexVariable",
-    "Variable",
     "NamedArray",
+    "Variable",
     # Exceptions
     "InvalidTreeError",
     "MergeError",
diff --git a/xarray/backends/__init__.py b/xarray/backends/__init__.py
index 550b9e29e42..e5df179716f 100644
--- a/xarray/backends/__init__.py
+++ b/xarray/backends/__init__.py
@@ -23,21 +23,21 @@
     "AbstractDataStore",
     "BackendArray",
     "BackendEntrypoint",
-    "FileManager",
     "CachingFileManager",
     "DummyFileManager",
-    "InMemoryDataStore",
-    "NetCDF4DataStore",
-    "PydapDataStore",
-    "ScipyDataStore",
+    "FileManager",
     "H5NetCDFStore",
-    "ZarrStore",
     "H5netcdfBackendEntrypoint",
+    "InMemoryDataStore",
     "NetCDF4BackendEntrypoint",
+    "NetCDF4DataStore",
     "PydapBackendEntrypoint",
+    "PydapDataStore",
     "ScipyBackendEntrypoint",
+    "ScipyDataStore",
     "StoreBackendEntrypoint",
     "ZarrBackendEntrypoint",
+    "ZarrStore",
     "list_engines",
     "refresh_engines",
 ]
diff --git a/xarray/groupers.py b/xarray/groupers.py
index c4980e6d810..0adfcce9483 100644
--- a/xarray/groupers.py
+++ b/xarray/groupers.py
@@ -35,12 +35,12 @@
 from xarray.namedarray.pycompat import is_chunked_array
 
 __all__ = [
+    "BinGrouper",
     "EncodedGroups",
     "Grouper",
     "Resampler",
-    "UniqueGrouper",
-    "BinGrouper",
     "TimeResampler",
+    "UniqueGrouper",
 ]
 
 RESAMPLE_DIM = "__resample_dim__"
diff --git a/xarray/plot/__init__.py b/xarray/plot/__init__.py
index ae7a0012b32..49f12e13bfc 100644
--- a/xarray/plot/__init__.py
+++ b/xarray/plot/__init__.py
@@ -22,15 +22,15 @@
 from xarray.plot.facetgrid import FacetGrid
 
 __all__ = [
-    "plot",
-    "line",
-    "step",
+    "FacetGrid",
     "contour",
     "contourf",
     "hist",
     "imshow",
+    "line",
     "pcolormesh",
-    "FacetGrid",
+    "plot",
     "scatter",
+    "step",
     "surface",
 ]
diff --git a/xarray/testing/__init__.py b/xarray/testing/__init__.py
index a4770071d3a..a18b1963421 100644
--- a/xarray/testing/__init__.py
+++ b/xarray/testing/__init__.py
@@ -17,8 +17,8 @@
 __all__ = [
     "assert_allclose",
     "assert_chunks_equal",
-    "assert_duckarray_equal",
     "assert_duckarray_allclose",
+    "assert_duckarray_equal",
     "assert_equal",
     "assert_identical",
     "assert_isomorphic",
diff --git a/xarray/testing/strategies.py b/xarray/testing/strategies.py
index eeba8540133..db7660c07ab 100644
--- a/xarray/testing/strategies.py
+++ b/xarray/testing/strategies.py
@@ -20,14 +20,14 @@
 
 
 __all__ = [
-    "supported_dtypes",
-    "pandas_index_dtypes",
-    "names",
+    "attrs",
     "dimension_names",
     "dimension_sizes",
-    "attrs",
-    "variables",
+    "names",
+    "pandas_index_dtypes",
+    "supported_dtypes",
     "unique_subset_of",
+    "variables",
 ]