poetry 1.0.0b1 export prints to stdout by default

Author: mokamoto12

lib/poetry.js

@@ -35,9 +35,7 @@ function pyprojectTomlToRequirements() {
 
   const editableFlag = new RegExp(/^-e /gm);
   const sourceRequirements = path.join(this.servicePath, 'requirements.txt');
-  const requirementsContents = fse.readFileSync(sourceRequirements, {
-    encoding: 'utf-8'
-  });
+  const requirementsContents = res.stdout.toString();
 
   if (requirementsContents.match(editableFlag)) {
     this.serverless.cli.log(