diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..4b7cee6
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,9 @@
+module github.com/gogama/incite
+
+go 1.13
+
+require (
+	github.com/aws/aws-sdk-go v1.21.6
+	github.com/stretchr/testify v1.7.0
+	golang.org/x/net v0.0.0-20210614182718-04defd469f4e // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..9427324
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,24 @@
+github.com/aws/aws-sdk-go v1.21.6 h1:3GuIm55Uls52aQIDGBnSEZbk073jpasfQyeM5eZU61Q=
+github.com/aws/aws-sdk-go v1.21.6/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af h1:pmfjZENx5imkbgOkpRUYLnmbU7UEFbjtDA2hxJ1ichM=
+github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+golang.org/x/net v0.0.0-20210614182718-04defd469f4e h1:XpT3nA5TvE525Ne3hInMh6+GETgn27Zfm9dxsThnX2Q=
+golang.org/x/net v0.0.0-20210614182718-04defd469f4e/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/incite.go b/incite.go
index 5064419..066bb90 100644
--- a/incite.go
+++ b/incite.go
@@ -554,22 +554,17 @@ func (m *mgr) startNextChunk() error { // Assert: Lock is acquired.
 }
 
 func isTemporary(err error) bool {
-	switch x := err.(type) {
-	case *cloudwatchlogs.DataAlreadyAcceptedException, *cloudwatchlogs.InvalidOperationException,
-		*cloudwatchlogs.InvalidParameterException, *cloudwatchlogs.InvalidSequenceTokenException,
-		*cloudwatchlogs.MalformedQueryException, *cloudwatchlogs.OperationAbortedException,
-		*cloudwatchlogs.ResourceAlreadyExistsException, *cloudwatchlogs.ResourceNotFoundException,
-		*cloudwatchlogs.UnrecognizedClientException:
-		return false
-	case *cloudwatchlogs.LimitExceededException, *cloudwatchlogs.ServiceUnavailableException:
-		return true
-	case awserr.RequestFailure:
-		// Omit 'e' suffix on 'throttl' to match Throttled and Throttling.
-		return strings.Contains(strings.ToLower(x.Code()), "throttl") ||
-			strings.Contains(strings.ToLower(x.Message()), "rate exceeded")
-	default:
-		return false
+	if x, ok := err.(awserr.RequestFailure); ok {
+		switch x.Code() {
+		case cloudwatchlogs.ErrCodeLimitExceededException, cloudwatchlogs.ErrCodeServiceUnavailableException:
+			return true
+		default:
+			// Omit 'e' suffix on 'throttl' to match Throttled and Throttling.
+			return strings.Contains(strings.ToLower(x.Code()), "throttl") ||
+				strings.Contains(strings.ToLower(x.Message()), "rate exceeded")
+		}
 	}
+	return false
 }
 
 func (m *mgr) pollNextChunk() int {