unable to import

[jdaggula]

Describe the Bug
A clear and concise description of what the bug is.
Not able to import using dep
Steps to Reproduce
Steps to reproduce the behavior:

1. dep ensure -add github.com/golang-migrate/migrate

Expected Behavior
A clear and concise description of what you expected to happen.

Migrate Version
e.g. v3.4.0
Obtained by running: migrate -version

Loaded Source Drivers
e.g. s3, github, go-bindata, gcs, file
Obtained by running: migrate -help

Loaded Database Drivers
e.g. spanner, stub, clickhouse, cockroachdb, crdb-postgres, postgres, postgresql, redshift, cassandra, cockroach, mysql
Obtained by running: migrate -help

Go Version
e.g. go version go1.11 linux/amd64
Obtained by running: go version

Stacktrace
Please provide if available
[INFO] Lock Diff Info:
[INFO]
[INFO] No versions of github.com/golang-migrate/migrate met constraints:
v4.3.1: "github.com/golang-migrate/migrate" imports "github.com/golang-migrate/migrate/v4/database", which contains malformed code: unknown error for "github.com/golang-migrate/migrate/v4/database", if you get this error see golang/dep#351
v4.3.0: "github.com/golang-migrate/migrate" imports "github.com/golang-migrate/migrate/v4/database", which contains malformed code: unknown error for "github.com/golang-migrate/migrate/v4/database", if you get this error see golang/dep#351
v4.2.5: "github.com/golang-migrate/migrate" imports "github.com/golang-migrate/migrate/v4/database", which contains malformed code: unknown error for "github.com/golang-migrate/migrate/v4/database", if you get this error see golang/dep#351
v4.2.4: "github.com/golang-migrate/migrate" imports "github.com/golang-migrate/migrate/v4/database", which contains malformed code: unknown error for "github.com/golang-migrate/migrate/v4/database", if you get this error see golang/dep#351
v4.2.3: "github.com/golang-migrate/migrate" imports "github.com/golang-migrate/migrate/v4/database", which contains malformed code: unknown error for "github.com/golang-migrate/migrate/v4/database", if you get this error see golang/dep#351
master: "github.com/golang-migrate/migrate" imports "github.com/golang-migrate/migrate/v4/database", which contains malformed code: unknown error for "github.com/golang-migrate/migrate/v4/database", if you get this error see golang/dep#351
[INFO] ========================
[INFO] Resolution Options
[INFO] ========================
[INFO] 0) Exit
[INFO] 1) Custom override
[INFO] failed to handle solve conflicts: No versions of github.com/golang-migrate/migrate met constraints:
v4.3.1: "github.com/golang-migrate/migrate" imports "github.com/golang-migrate/migrate/v4/database", which contains malformed code: unknown error for "github.com/golang-migrate/migrate/v4/database", if you get this error see golang/dep#351
v4.3.0: "github.com/golang-migrate/migrate" imports "github.com/golang-migrate/migrate/v4/database", which contains malformed code: unknown error for "github.com/golang-migrate/migrate/v4/database", if you get this error see golang/dep#351
v4.2.5: "github.com/golang-migrate/migrate" imports "github.com/golang-migrate/migrate/v4/database", which contains malformed code: unknown error for "github.com/golang-migrate/migrate/v4/database", if you get this error see golang/dep#351
v4.2.4: "github.com/golang-migrate/migrate" imports "github.com/golang-migrate/migrate/v4/database", which contains malformed code: unknown error for "github.com/golang-migrate/migrate/v4/database", if you get this error see golang/dep#351
v4.2.3: "github.com/golang-migrate/migrate" imports "github.com/golang-migrate/migrate/v4/database", which contains malformed code: unknown error for "github.com/golang-migrate/migrate/v4/database", if you get this error see golang/dep#351
master: "github.com/golang-migrate/migrate" imports "github.com/golang-migrate/migrate/v4/database", which contains malformed code: unknown error for "github.com/golang-migrate/migrate/v4/database", if you get this error see golang/dep#351

Additional context
Add any other context about the problem here.

[dhui]

See: #123 and related issues