Merge in hot fix release

4 files changed, 8 insertions, 4 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4b66cae..97a68a00 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,7 +11,10 @@ Internal:
 Planned:
   - profile support for common project types (black, django, google, etc)
 
-### 4.3.11 - March 3, 2019 - hot fix release
+### 4.3.12 - March 6, 2019 - hot fix release
+- Fix error caused when virtual environment not detected
+
+### 4.3.11 - March 6, 2019 - hot fix release
 - Fixed issue #876: confused by symlinks pointing to virtualenv gives FIRSTPARTY not THIRDPARTY
 - Fixed issue #873: current version skips every file on travis
 - Additional caching to reduce performance regression introduced in 4.3.5
diff --git a/isort/__init__.py b/isort/__init__.py
index e3af789b..342606e8 100644
--- a/isort/__init__.py
+++ b/isort/__init__.py
@@ -22,4 +22,4 @@ OTHER DEALINGS IN THE SOFTWARE.
 from . import settings  # noqa: F401
 from .isort import SortImports  # noqa: F401
 
-__version__ = "4.3.10"
+__version__ = "4.3.12"
diff --git a/isort/finders.py b/isort/finders.py
index 11f481ab..dcfaf8a6 100644
--- a/isort/finders.py
+++ b/isort/finders.py
@@ -128,7 +128,8 @@ class PathFinder(BaseFinder):
 
         # virtual env
         self.virtual_env = self.config.get('virtual_env') or os.environ.get('VIRTUAL_ENV')
-        self.virtual_env = os.path.realpath(self.virtual_env)
+        if self.virtual_env:
+            self.virtual_env = os.path.realpath(self.virtual_env)
         self.virtual_env_src = ''
         if self.virtual_env:
             self.virtual_env_src = '{0}/src/'.format(self.virtual_env)
diff --git a/setup.py b/setup.py
index 3a4360b7..4e798eed 100755
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@ with open('README.rst') as f:
     readme = f.read()
 
 setup(name='isort',
-      version='4.3.10',
+      version='4.3.12',
       description='A Python utility / library to sort Python imports.',
       long_description=readme,
       author='Timothy Crosley',