Update bucket paths

Author: thisisnic

docs/source/python/dataset.rst

@@ -359,7 +359,7 @@ a file system object can be created and passed to the ``filesystem`` keyword:
 
     from pyarrow import fs
 
-    s3  = fs.S3FileSystem(region="us-east-2")
+    s3  = fs.S3FileSystem(region="us-east-1")
     dataset = ds.dataset("arrow-datasets/nyc-taxi/", filesystem=s3)
 
 The currently available classes are :class:`~pyarrow.fs.S3FileSystem` and

python/pyarrow/_s3fs.pyx

@@ -92,7 +92,7 @@ def resolve_s3_region(bucket):
     Examples
     --------
     >>> fs.resolve_s3_region('arrow-datasets')
-    'us-east-2'
+    'us-east-1'
     """
     cdef:
         c_string c_bucket

r/tests/testthat/test-filesystem.R

@@ -148,7 +148,7 @@ test_that("FileSystem$from_uri", {
   skip_if_offline()
   fs_and_path <- FileSystem$from_uri("s3://arrow-datasets")
   expect_r6_class(fs_and_path$fs, "S3FileSystem")
-  expect_identical(fs_and_path$fs$region, "us-east-2")
+  expect_identical(fs_and_path$fs$region, "us-east-1")
 })
 
 test_that("SubTreeFileSystem$create() with URI", {