Merge branch 'master' into update-vendor

news/3199.trivial

@@ -0,0 +1 @@
+Remove blank lines for pipenv graph

news/3201.bugfix

@@ -0,0 +1 @@
+Fix a bug where exception is raised when run pipenv graph in a project without created virtualenv

pipenv/core.py

@@ -721,7 +721,7 @@ def do_install_dependencies(
     # Allow pip to resolve dependencies when in skip-lock mode.
     no_deps = not skip_lock
     failed_deps_list = []
-    deps_list = list(lockfile.get_requirements(dev=dev, only=True))
+    deps_list = list(lockfile.get_requirements(dev=dev, only=requirements))
     if requirements:
         index_args = prepare_pip_source_args(project.sources)
         index_args = " ".join(index_args).replace(" -", "\n-")
@@ -2448,6 +2448,9 @@ def do_graph(bare=False, json=False, json_tree=False, reverse=False):
             err=True,
         )
         sys.exit(1)
+    except RuntimeError:
+        pass
+
     if reverse and json:
         click.echo(
             u"{0}: {1}".format(
@@ -2527,7 +2530,7 @@ def do_graph(bare=False, json=False, json_tree=False, reverse=False):
             click.echo(simplejson.dumps(data, indent=4))
             sys.exit(0)
         else:
-            for line in c.out.split("\n"):
+            for line in c.out.strip().split("\n"):
                 # Ignore bad packages as top level.
                 if line.split("==")[0] in BAD_PACKAGES and not reverse:
                     continue