Fixed a list concatenation bug in changes made to setup.py

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index c103d663..efe715be 100755
--- a/setup.py
+++ b/setup.py
@@ -63,7 +63,7 @@ Topic :: Software Development :: Libraries :: Python Modules
 
 INSTALL_REQUIRES = ['pyparsing >= 2.0.1', 'pyperclip', 'six']
 if sys.platform.startswith('win'):
-    INSTALL_REQUIRES += 'pyreadline'
+    INSTALL_REQUIRES += ['pyreadline']
 
 # unittest.mock was added in Python 3.3.  mock is a backport of unittest.mock to all versions of Python
 TESTS_REQUIRE = ['mock', 'pytest']