Fix issue #807: no sections with future

isort/output.py

@@ -34,12 +34,16 @@ def sorted_imports(
 
     if config.no_sections:
         parsed.imports["no_sections"] = {"straight": [], "from": {}}
+        base_sections: Tuple[str, ...] = ()
         for section in sections:
+            if section == "FUTURE":
+                base_sections = ("FUTURE",)
+                continue
             parsed.imports["no_sections"]["straight"].extend(
                 parsed.imports[section].get("straight", [])
             )
             parsed.imports["no_sections"]["from"].update(parsed.imports[section].get("from", {}))
-        sections = ("no_sections",)
+        sections = base_sections + ("no_sections",)
 
     output: List[str] = []
     pending_lines_before = False