Fix formatting in fetcher and signature tests

internal/imgcache/fetcher.go

@@ -13,12 +13,12 @@ import (
 
 // Fetcher configuration constants.
 const (
-	DefaultFetchTimeout     = 30 * time.Second
-	DefaultMaxResponseSize  = 50 << 20 // 50MB
-	DefaultTLSTimeout       = 10 * time.Second
-	DefaultMaxIdleConns     = 100
-	DefaultIdleConnTimeout  = 90 * time.Second
-	DefaultMaxRedirects     = 10
+	DefaultFetchTimeout    = 30 * time.Second
+	DefaultMaxResponseSize = 50 << 20 // 50MB
+	DefaultTLSTimeout      = 10 * time.Second
+	DefaultMaxIdleConns    = 100
+	DefaultIdleConnTimeout = 90 * time.Second
+	DefaultMaxRedirects    = 10
 )
 
 // Fetcher errors.
@@ -148,7 +148,7 @@ func (f *HTTPFetcher) Fetch(ctx context.Context, url string) (*FetchResult, erro
 
 	// Wrap body with size limiter
 	limitedBody := &limitedReader{
-		reader:   resp.Body,
+		reader:    resp.Body,
 		remaining: f.config.MaxResponseSize,
 	}