upgpkg: python-libthumbor 2.0.2-4

change into source tree before running tests

python-libthumbor/.SRCINFO

@@ -1,7 +1,7 @@
 pkgbase = python-libthumbor
 	pkgdesc = Python extensions to thumbor
 	pkgver = 2.0.2
-	pkgrel = 3
+	pkgrel = 4
 	url = https://github.com/thumbor/libthumbor
 	arch = any
 	license = MIT

python-libthumbor/PKGBUILD

@@ -3,7 +3,7 @@
 pkgname=python-libthumbor
 _name=${pkgname#python-}
 pkgver=2.0.2
-pkgrel=3
+pkgrel=4
 pkgdesc='Python extensions to thumbor'
 arch=(any)
 url='https://github.com/thumbor/libthumbor'
@@ -20,6 +20,7 @@ build() {
 }
 
 check() {
+  cd $_name-$pkgver
   pytest
 }