Consistently use "paths" plural

Author: Micket

easybuild/framework/easyblock.py

@@ -1478,12 +1478,12 @@ def make_module_extra(self, altroot=None, altversion=None):
                                          'list, dict or str')
                 elif isinstance(value, dict):
                     if 'paths' not in value or 'delimiter' not in value:
-                        raise EasyBuildError(f'{name} dict value "{value}" must contain "path" and "delimiter"')
+                        raise EasyBuildError(f'{name} dict value "{value}" must contain "paths" and "delimiter"')
 
                     paths = value['paths']
                     delim = value['delimiter']
                     if not isinstance(paths, (list, str)):
-                        raise EasyBuildError('modextrapaths dict value "{value}" path must be list or str')
+                        raise EasyBuildError('modextrapaths dict value "{value}" paths must be list or str')
                     if not isinstance(delim, str):
                         raise EasyBuildError('modextrapaths dict value "{value}" delimiter must be a str')
                     lines.append(self.module_generator.update_paths(key, value, prepend=prepend, delim=delim,

test/framework/easyblock.py

@@ -1259,7 +1259,7 @@ def test_make_module_step(self):
         modextrapaths = {
             'PATH': ('xbin', 'pibin'),
             'CPATH': 'pi/include',
-            'TCLLIBPATH': {'path': 'pi', 'delimiter': ' '},
+            'TCLLIBPATH': {'paths': 'pi', 'delimiter': ' '},
         }
         modextrapaths_append = {'APPEND_PATH': 'append_path'}
         self.contents = '\n'.join([