Merge branch 'spm/code-improvements' into 'master'

Spm/code improvements

See merge request flatland/flatland!137

flatland/__init__.py

@@ -4,4 +4,4 @@
 
 __author__ = """S.P. Mohanty"""
 __email__ = 'mohanty@aicrowd.com'
-__version__ = '0.3.5'
+__version__ = '0.3.6'

flatland/evaluators/aicrowd_helpers.py

 import os
-import boto3
 import uuid
 import subprocess
 import glob
@@ -27,6 +26,14 @@ S3_UPLOAD_PATH_TEMPLATE = os.getenv("S3_UPLOAD_PATH_TEMPLATE", "misc/flatland-rl
 def get_boto_client():
     if not AWS_ACCESS_KEY_ID or not AWS_SECRET_ACCESS_KEY:
         raise Exception("AWS Credentials not provided..")
+    try:
+        import boto3
+    except ImportError as e:
+        raise Exception(
+                        "boto3 is not installed. Please manually install by : ",
+                        " pip install -U boto3"
+                        )
+
     return boto3.client(
             's3',
             aws_access_key_id=AWS_ACCESS_KEY_ID,

requirements_dev.txt

@@ -5,7 +5,6 @@ pytest>=3.8.2
 pytest-runner>=4.2
 Click>=7.0
 crowdai-api>=0.1.21
-boto3
 numpy>=1.16.2
 recordtype>=1.3
 xarray>=0.11.3

setup.cfg

 [bumpversion]
-current_version = 0.3.5
+current_version = 0.3.6
 commit = True
 tag = True
 

setup.py

@@ -79,6 +79,6 @@ setup(
     test_suite='tests',
     tests_require=test_requirements,
     url='https://gitlab.aicrowd.com/flatland/flatland',
-    version='0.3.5',
+    version='0.3.6',
     zip_safe=False,
 )