Update pytest-metadata dependency

Author: mdmintz

requirements.txt

@@ -19,7 +19,8 @@ pytest-cov==2.8.1
 pytest-forked==1.1.3
 pytest-html==1.22.1;python_version<"3.6"
 pytest-html==2.0.1;python_version>="3.6"
-pytest-metadata==1.8.0
+pytest-metadata==1.8.0;python_version<"3.6"
+pytest-metadata==1.9.0;python_version>="3.6"
 pytest-ordering==0.6
 pytest-rerunfailures==8.0;python_version<"3.6"
 pytest-rerunfailures==9.0;python_version>="3.6"

setup.py

@@ -103,7 +103,8 @@
         'pytest-forked==1.1.3',
         'pytest-html==1.22.1;python_version<"3.6"',
         'pytest-html==2.0.1;python_version>="3.6"',
-        'pytest-metadata==1.8.0',
+        'pytest-metadata==1.8.0;python_version<"3.6"',
+        'pytest-metadata==1.9.0;python_version>="3.6"',
         'pytest-ordering==0.6',
         'pytest-rerunfailures==8.0;python_version<"3.6"',
         'pytest-rerunfailures==9.0;python_version>="3.6"',