Install package for perf toxenvs too.

Closes: #798

1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index f4ed6f4..fcd7f94 100644
--- a/tox.ini
+++ b/tox.ini
@@ -22,7 +22,7 @@ whitelist_externals =
     mkdir
 commands =
     noextra: {envpython} -m pip install {toxinidir}
-    format: {envpython} -m pip install '{toxinidir}[format]'
+    format,perf: {envpython} -m pip install '{toxinidir}[format]'
     format_nongpl: {envpython} -m pip install '{toxinidir}[format_nongpl]'
 
     tests,coverage,codecov: {envpython} -m {env:MAYBE_COVERAGE:} twisted.trial {posargs:jsonschema}