Merge pull request #3798 from Flamefire/fix_error

fix CI by excluding GC3Pie 2.6.7 (which is broken with Python 2) and improve error reporting for option parsing

easybuild/tools/options.py

@@ -1392,7 +1392,7 @@ def parse_options(args=None, with_include=True):
         eb_go = EasyBuildOptions(usage=usage, description=description, prog='eb', envvar_prefix=CONFIG_ENV_VAR_PREFIX,
                                  go_args=eb_args, error_env_options=True, error_env_option_method=raise_easybuilderror,
                                  with_include=with_include)
-    except Exception as err:
+    except EasyBuildError as err:
         raise EasyBuildError("Failed to parse configuration options: %s" % err)
 
     return eb_go

requirements.txt

@@ -49,7 +49,9 @@ PyYAML; python_version >= '2.7'
 pycodestyle; python_version < '2.7'
 flake8; python_version >= '2.7'
 
-GC3Pie
+# 2.6.7 uses invalid Python 2 syntax
+GC3Pie!=2.6.7; python_version < '3.0'
+GC3Pie; python_version >= '3.0'
 python-graph-dot
 python-hglib
 requests