added comment in setup.py about dependencies

Author: alixdamman

setup.py

@@ -13,7 +13,8 @@ def readlocal(fname):
 AUTHOR_EMAIL = '[email protected]'
 DESCRIPTION = "Graphical User Interface for LArray library"
 LONG_DESCRIPTION = readlocal("README.rst")
-INSTALL_REQUIRES = ['larray'] # pyqt, qtpy and matplotlib required (see conda recipe)
+# pyqt cannot be installed via pypi. Dependencies (pyqt, qtpy and matplotlib) moved to conda recipe
+INSTALL_REQUIRES = ['larray']
 TESTS_REQUIRE = ['pytest']
 SETUP_REQUIRES = ['pytest-runner']