diff --git a/easybuild/framework/easyblock.py b/easybuild/framework/easyblock.py
index b8007e7cd9..ae3086cb4f 100644
--- a/easybuild/framework/easyblock.py
+++ b/easybuild/framework/easyblock.py
@@ -1415,8 +1415,7 @@ def make_module_dep(self, unload_info=None):
             multi_dep_mod_names = {}
             for deplist in self.cfg.multi_deps:
                 for dep in deplist:
-                    multi_dep_mod_names.setdefault(dep['name'], [])
-                    multi_dep_mod_names[dep['name']].append(dep['short_mod_name'])
+                    multi_dep_mod_names.setdefault(dep['name'], []).append(dep['short_mod_name'])
 
             multi_dep_load_defaults = []
             for _, depmods in sorted(multi_dep_mod_names.items()):
diff --git a/easybuild/framework/easyconfig/easyconfig.py b/easybuild/framework/easyconfig/easyconfig.py
index 4a10a13be9..fe3e3bd82c 100644
--- a/easybuild/framework/easyconfig/easyconfig.py
+++ b/easybuild/framework/easyconfig/easyconfig.py
@@ -1501,13 +1501,13 @@ def get_parsed_multi_deps(self):
             # all multi_deps entries should be listed in builddependencies (if not, something is very wrong)
             if isinstance(builddeps, list) and all(isinstance(x, list) for x in builddeps):
 
-                for iter_id in range(len(builddeps)):
+                for iter_id, current_builddeps in enumerate(builddeps):
 
                     # only build dependencies that correspond to multi_deps entries should be loaded as extra modules
                     # (other build dependencies should not be required to make sanity check pass for this iteration)
                     iter_deps = []
                     for key in self['multi_deps']:
-                        hits = [d for d in builddeps[iter_id] if d['name'] == key]
+                        hits = [d for d in current_builddeps if d['name'] == key]
                         if len(hits) == 1:
                             iter_deps.append(hits[0])
                         else:
diff --git a/easybuild/tools/configobj.py b/easybuild/tools/configobj.py
index 00381abfcc..d2ff5d150e 100644
--- a/easybuild/tools/configobj.py
+++ b/easybuild/tools/configobj.py
@@ -876,31 +876,24 @@ def walk(self, function, raise_errors=True,
         """
         out = {}
         # scalars first
-        for i in range(len(self.scalars)):
-            entry = self.scalars[i]
+        for i, entry in enumerate(self.scalars):
             try:
                 val = function(self, entry, **keywargs)
-                # bound again in case name has changed
-                entry = self.scalars[i]
-                out[entry] = val
             except Exception:
                 if raise_errors:
                     raise
-                else:
-                    entry = self.scalars[i]
-                    out[entry] = False
+                val = False
+            # bound again in case name has changed
+            entry = self.scalars[i]
+            out[entry] = val
         # then sections
-        for i in range(len(self.sections)):
-            entry = self.sections[i]
+        for i, entry in enumerate(self.sections):
             if call_on_sections:
                 try:
                     function(self, entry, **keywargs)
                 except Exception:
                     if raise_errors:
                         raise
-                    else:
-                        entry = self.sections[i]
-                        out[entry] = False
                 # bound again in case name has changed
                 entry = self.sections[i]
             # previous result is discarded
diff --git a/easybuild/tools/module_generator.py b/easybuild/tools/module_generator.py
index e9de8c6920..eebafb3c4e 100644
--- a/easybuild/tools/module_generator.py
+++ b/easybuild/tools/module_generator.py
@@ -36,15 +36,16 @@
 * Damian Alvarez (Forschungszentrum Juelich GmbH)
 """
 import copy
+import itertools
 import os
 import re
 import tempfile
 from collections import defaultdict
 from contextlib import contextmanager
-from easybuild.tools import LooseVersion
 from textwrap import wrap
 
 from easybuild.base import fancylogger
+from easybuild.tools import LooseVersion
 from easybuild.tools.build_log import EasyBuildError, print_warning
 from easybuild.tools.config import build_option, get_module_syntax, install_path
 from easybuild.tools.filetools import convert_name, mkdir, read_file, remove_file, resolve_path, symlink, write_file
@@ -680,21 +681,13 @@ def _generate_multi_deps_list(self):
         """
         multi_deps = []
         if self.app.cfg['multi_deps']:
-            for key in sorted(self.app.cfg['multi_deps'].keys()):
-                mod_list = []
-                txt = ''
-                vlist = self.app.cfg['multi_deps'].get(key)
-                for idx, version in enumerate(vlist):
-                    for deplist in self.app.cfg.multi_deps:
-                        for dep in deplist:
-                            if dep['name'] == key and dep['version'] == version:
-                                modname = dep['short_mod_name']
-                                # indicate which version is loaded by default (unless that's disabled)
-                                if idx == 0 and self.app.cfg['multi_deps_load_default']:
-                                    modname += ' (default)'
-                                mod_list.append(modname)
-                txt += ', '.join(mod_list)
-                multi_deps.append(txt)
+            for name in sorted(self.app.cfg['multi_deps']):
+                mod_list = [dep['short_mod_name'] for dep in itertools.chain.from_iterable(self.app.cfg.multi_deps)
+                            if dep['name'] == name]
+                # indicate that the first version is loaded by default if enabled
+                if self.app.cfg['multi_deps_load_default']:
+                    mod_list[0] += ' (default)'
+                multi_deps.append(', '.join(mod_list))
 
         return multi_deps