FIX: added new dependency to setup.py

setup.py

@@ -158,10 +158,10 @@ def setup_package():
         python_requires='>=3.6',
         package_dir={'': 'src'},
         install_requires=['lxml>=3.6.4',
-                          'PyYaml>=3.12', 'future', 'PySocks>=1.6.7'],
+                          'PyYaml>=3.12', 'future', 'PySocks>=1.6.7', "jsonschema"],
         extras_require={'keyring': ['keyring>=13.0.0']},
         setup_requires=["pytest-runner>=2.0,<3dev"],
-        tests_require=["pytest", "pytest-cov", "coverage>=4.4.2"],
+        tests_require=["pytest", "pytest-cov", "coverage>=4.4.2", "jsonschema"],
         package_data={
             'caosdb': ['cert/indiscale.ca.crt'],
         },