Stop using no longer valid -E option for pip

Fixes bug 1100403

Version 1.1 of pip dropped the -E option. It's not necessary anyway since
running pip in a correctly setup virtualenv will automatically do the right
thing.

Change-Id: Ifec9f27b8dc169d594125a0808126abe77ed42e7

1 files changed, 2 insertions, 3 deletions

diff --git a/setup.py b/setup.py
index 315ea87..32f093f 100644
--- a/setup.py
+++ b/setup.py
@@ -108,10 +108,9 @@ def parse_dependency_links(requirements_files=['requirements.txt',
 
 
 def write_requirements():
-    venv = os.environ.get('VIRTUAL_ENV', None)
-    if venv is not None:
+    if 'VIRTUAL_ENV' in os.environ:
         with open("requirements.txt", "w") as req_file:
-            output = subprocess.Popen(["pip", "-E", venv, "freeze", "-l"],
+            output = subprocess.Popen(["pip", "freeze", "-l"],
                                       stdout=subprocess.PIPE)
             requirements = output.communicate()[0].strip()
             req_file.write(requirements)