TST: Silence lzma output (#29713)

TomAugspurger · jreback · commit 2b0cac7d90ee · 2019-11-20T07:36:06.000-05:00
This was leaking to stdout when the pytest `-s` flag was used.
diff --git a/pandas/tests/io/test_compression.py b/pandas/tests/io/test_compression.py
@@ -140,7 +140,7 @@ def test_with_missing_lzma():
         import pandas
         """
     )
-    subprocess.check_output([sys.executable, "-c", code])
+    subprocess.check_output([sys.executable, "-c", code], stderr=subprocess.PIPE)
 
 
 def test_with_missing_lzma_runtime():
@@ -157,4 +157,4 @@ def test_with_missing_lzma_runtime():
             df.to_csv('foo.csv', compression='xz')
         """
     )
-    subprocess.check_output([sys.executable, "-c", code])
+    subprocess.check_output([sys.executable, "-c", code], stderr=subprocess.PIPE)

Original file line number	Diff line number	Diff line change
`@@ -140,7 +140,7 @@ def test_with_missing_lzma():`
`140`	`140`	`import pandas`
`141`	`141`	`"""`
`142`	`142`	`)`
`143`		`- subprocess.check_output([sys.executable, "-c", code])`
	`143`	`+ subprocess.check_output([sys.executable, "-c", code], stderr=subprocess.PIPE)`
`144`	`144`
`145`	`145`
`146`	`146`	`def test_with_missing_lzma_runtime():`
`@@ -157,4 +157,4 @@ def test_with_missing_lzma_runtime():`
`157`	`157`	`df.to_csv('foo.csv', compression='xz')`
`158`	`158`	`"""`
`159`	`159`	`)`
`160`		`- subprocess.check_output([sys.executable, "-c", code])`
	`160`	`+ subprocess.check_output([sys.executable, "-c", code], stderr=subprocess.PIPE)`