fmt: always use import() syntax

vlib/v/fmt/fmt.v

@@ -98,17 +98,18 @@ fn (f mut Fmt) mod(mod ast.Module) {
 }
 
 fn (f mut Fmt) imports(imports []ast.Import) {
-	if f.did_imports {
+	if f.did_imports || imports.len == 0 {
 		return
 	}
-	f.did_imports = true
 	// f.import_pos = f.out.len
+	f.did_imports = true
+	/*
 	if imports.len == 1 {
 		imp_stmt_str := f.imp_stmt_str(imports[0])
 		f.out_imports.writeln('import ${imp_stmt_str}\n')
 	} else if imports.len > 1 {
+*/
 	f.out_imports.writeln('import (')
-		// f.indent++
 	for imp in imports {
 		if !(imp.mod in f.used_imports) {
 			// TODO bring back once only unused imports are removed
@@ -117,9 +118,8 @@ fn (f mut Fmt) imports(imports []ast.Import) {
 		f.out_imports.write('\t')
 		f.out_imports.writeln(f.imp_stmt_str(imp))
 	}
-		// f.indent--
 	f.out_imports.writeln(')\n')
-	}
+	// }
 }
 
 fn (f Fmt) imp_stmt_str(imp ast.Import) string {

vlib/v/fmt/tests/import_single_expected.vv

@@ -1,4 +1,6 @@
-import os
+import (
+	os
+)
 
 fn main() {
 }

vlib/v/fmt/tests/missing_import_expected.vv

@@ -1,4 +1,6 @@
-import time
+import (
+	time
+)
 
 fn main() {
 	println(time.now())