some improvements

src/yunohost/data_migrations/0016_php70_to_php73_pools.py

@@ -38,11 +38,11 @@ class MyMigration(Migration):
         # Ignore the "www.conf" (default stuff, probably don't want to touch it ?)
         php70_pool_files = [f for f in php70_pool_files if f != "www.conf"]
 
-        for f in php70_pool_files:
+        for pf in php70_pool_files:
 
             # Copy the files to the php7.3 pool
-            src = "{}/{}".format(PHP70_POOLS, f)
-            dest = "{}/{}".format(PHP73_POOLS, f)
+            src = "{}/{}".format(PHP70_POOLS, pf)
+            dest = "{}/{}".format(PHP73_POOLS, pf)
             copy2(src, dest)
 
             # Replace the socket prefix if it's found
@@ -56,17 +56,17 @@ class MyMigration(Migration):
             c = "sed -i '1i {}' {}".format(MIGRATION_COMMENT, dest)
             os.system(c)
 
-            app_id = os.path.basename(f)[: -len(".conf")]
+            app_id = os.path.basename(pf)[: -len(".conf")]
             if _is_installed(app_id):
                 _patch_legacy_php_versions_in_settings(
                     "/etc/yunohost/apps/%s/" % app_id
                 )
 
             nginx_conf_files = glob.glob("/etc/nginx/conf.d/*.d/%s.conf" % app_id)
-            for f in nginx_conf_files:
+            for nf in nginx_conf_files:
                 # Replace the socket prefix if it's found
                 c = "sed -i -e 's@{}@{}@g' {}".format(
-                    PHP70_SOCKETS_PREFIX, PHP73_SOCKETS_PREFIX, f
+                    PHP70_SOCKETS_PREFIX, PHP73_SOCKETS_PREFIX, nf
                 )
                 os.system(c)
 

src/yunohost/service.py

@@ -587,7 +587,7 @@ def service_regen_conf(
         if name not in services.keys():
             raise YunohostValidationError("service_unknown", service=name)
 
-    if names is []:
+    if names == []:
         names = list(services.keys())
 
     logger.warning(m18n.n("service_regen_conf_is_deprecated"))

src/yunohost/tools.py

@@ -236,28 +236,24 @@ def tools_postinstall(
 
     # If this is a nohost.me/noho.st, actually check for availability
     if not ignore_dyndns and is_yunohost_dyndns_domain(domain):
-        # (Except if the user explicitly said he/she doesn't care about dyndns)
-        if ignore_dyndns:
-            dyndns = False
         # Check if the domain is available...
-        else:
-            try:
-                available = _dyndns_available(domain)
-            # If an exception is thrown, most likely we don't have internet
-            # connectivity or something. Assume that this domain isn't manageable
-            # and inform the user that we could not contact the dyndns host server.
-            except Exception:
-                logger.warning(
-                    m18n.n(
-                        "dyndns_provider_unreachable", provider="dyndns.yunohost.org"
-                    )
+        try:
+            available = _dyndns_available(domain)
+        # If an exception is thrown, most likely we don't have internet
+        # connectivity or something. Assume that this domain isn't manageable
+        # and inform the user that we could not contact the dyndns host server.
+        except Exception:
+            logger.warning(
+                m18n.n(
+                    "dyndns_provider_unreachable", provider="dyndns.yunohost.org"
                 )
+            )
 
-            if available:
-                dyndns = True
-            # If not, abort the postinstall
-            else:
-                raise YunohostValidationError("dyndns_unavailable", domain=domain)
+        if available:
+            dyndns = True
+        # If not, abort the postinstall
+        else:
+            raise YunohostValidationError("dyndns_unavailable", domain=domain)
     else:
         dyndns = False