pygit2 was missing in Pipfile as dependency. Fixes Unit Tests :)

Pipfile

@@ -20,6 +20,7 @@ termcolor = "==1.1.0"
 wcwidth = "==0.2.5"
 GitPython = "==3.1.18"
 shell_command = "==0.1"
+pygit2 = "*"
 
 [dev-packages]
 flake8 = "==3.9.2"

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "5c5afad93b7a151cbff3563cec3eb7f1c88c66c141bcdf31c3b86426f7c9a63f"
+            "sha256": "a2d1d3cc38b592b096c4b5f470f6694c3b80c5a1c2c4a708655e2070edeacda0"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -24,6 +24,56 @@
             "index": "pypi",
             "version": "==5.2"
         },
+        "cffi": {
+            "hashes": [
+                "sha256:06c54a68935738d206570b20da5ef2b6b6d92b38ef3ec45c5422c0ebaf338d4d",
+                "sha256:0c0591bee64e438883b0c92a7bed78f6290d40bf02e54c5bf0978eaf36061771",
+                "sha256:19ca0dbdeda3b2615421d54bef8985f72af6e0c47082a8d26122adac81a95872",
+                "sha256:22b9c3c320171c108e903d61a3723b51e37aaa8c81255b5e7ce102775bd01e2c",
+                "sha256:26bb2549b72708c833f5abe62b756176022a7b9a7f689b571e74c8478ead51dc",
+                "sha256:33791e8a2dc2953f28b8d8d300dde42dd929ac28f974c4b4c6272cb2955cb762",
+                "sha256:3c8d896becff2fa653dc4438b54a5a25a971d1f4110b32bd3068db3722c80202",
+                "sha256:4373612d59c404baeb7cbd788a18b2b2a8331abcc84c3ba40051fcd18b17a4d5",
+                "sha256:487d63e1454627c8e47dd230025780e91869cfba4c753a74fda196a1f6ad6548",
+                "sha256:48916e459c54c4a70e52745639f1db524542140433599e13911b2f329834276a",
+                "sha256:4922cd707b25e623b902c86188aca466d3620892db76c0bdd7b99a3d5e61d35f",
+                "sha256:55af55e32ae468e9946f741a5d51f9896da6b9bf0bbdd326843fec05c730eb20",
+                "sha256:57e555a9feb4a8460415f1aac331a2dc833b1115284f7ded7278b54afc5bd218",
+                "sha256:5d4b68e216fc65e9fe4f524c177b54964af043dde734807586cf5435af84045c",
+                "sha256:64fda793737bc4037521d4899be780534b9aea552eb673b9833b01f945904c2e",
+                "sha256:6d6169cb3c6c2ad50db5b868db6491a790300ade1ed5d1da29289d73bbe40b56",
+                "sha256:7bcac9a2b4fdbed2c16fa5681356d7121ecabf041f18d97ed5b8e0dd38a80224",
+                "sha256:80b06212075346b5546b0417b9f2bf467fea3bfe7352f781ffc05a8ab24ba14a",
+                "sha256:818014c754cd3dba7229c0f5884396264d51ffb87ec86e927ef0be140bfdb0d2",
+                "sha256:8eb687582ed7cd8c4bdbff3df6c0da443eb89c3c72e6e5dcdd9c81729712791a",
+                "sha256:99f27fefe34c37ba9875f224a8f36e31d744d8083e00f520f133cab79ad5e819",
+                "sha256:9f3e33c28cd39d1b655ed1ba7247133b6f7fc16fa16887b120c0c670e35ce346",
+                "sha256:a8661b2ce9694ca01c529bfa204dbb144b275a31685a075ce123f12331be790b",
+                "sha256:a9da7010cec5a12193d1af9872a00888f396aba3dc79186604a09ea3ee7c029e",
+                "sha256:aedb15f0a5a5949ecb129a82b72b19df97bbbca024081ed2ef88bd5c0a610534",
+                "sha256:b315d709717a99f4b27b59b021e6207c64620790ca3e0bde636a6c7f14618abb",
+                "sha256:ba6f2b3f452e150945d58f4badd92310449876c4c954836cfb1803bdd7b422f0",
+                "sha256:c33d18eb6e6bc36f09d793c0dc58b0211fccc6ae5149b808da4a62660678b156",
+                "sha256:c9a875ce9d7fe32887784274dd533c57909b7b1dcadcc128a2ac21331a9765dd",
+                "sha256:c9e005e9bd57bc987764c32a1bee4364c44fdc11a3cc20a40b93b444984f2b87",
+                "sha256:d2ad4d668a5c0645d281dcd17aff2be3212bc109b33814bbb15c4939f44181cc",
+                "sha256:d950695ae4381ecd856bcaf2b1e866720e4ab9a1498cba61c602e56630ca7195",
+                "sha256:e22dcb48709fc51a7b58a927391b23ab37eb3737a98ac4338e2448bef8559b33",
+                "sha256:e8c6a99be100371dbb046880e7a282152aa5d6127ae01783e37662ef73850d8f",
+                "sha256:e9dc245e3ac69c92ee4c167fbdd7428ec1956d4e754223124991ef29eb57a09d",
+                "sha256:eb687a11f0a7a1839719edd80f41e459cc5366857ecbed383ff376c4e3cc6afd",
+                "sha256:eb9e2a346c5238a30a746893f23a9535e700f8192a68c07c0258e7ece6ff3728",
+                "sha256:ed38b924ce794e505647f7c331b22a693bee1538fdf46b0222c4717b42f744e7",
+                "sha256:f0010c6f9d1a4011e429109fda55a225921e3206e7f62a0c22a35344bfd13cca",
+                "sha256:f0c5d1acbfca6ebdd6b1e3eded8d261affb6ddcf2186205518f1428b8569bb99",
+                "sha256:f10afb1004f102c7868ebfe91c28f4a712227fe4cb24974350ace1f90e1febbf",
+                "sha256:f174135f5609428cc6e1b9090f9268f5c8935fddb1b25ccb8255a2d50de6789e",
+                "sha256:f3ebe6e73c319340830a9b2825d32eb6d8475c1dac020b4f0aa774ee3b898d1c",
+                "sha256:f627688813d0a4140153ff532537fbe4afea5a3dffce1f9deb7f91f848a832b5",
+                "sha256:fd4305f86f53dfd8cd3522269ed7fc34856a8ee3709a5e28b2836b2db9d4cd69"
+            ],
+            "version": "==1.14.6"
+        },
         "coloredlogs": {
             "hashes": [
                 "sha256:612ee75c546f53e92e70049c9dbfcc18c935a2b9a53b66085ce9ef6a6e5c0934",
@@ -94,6 +144,41 @@
             "index": "pypi",
             "version": "==3.0.19"
         },
+        "pycparser": {
+            "hashes": [
+                "sha256:2d475327684562c3a96cc71adf7dc8c4f0565175cf86b6d7a404ff4c771f15f0",
+                "sha256:7582ad22678f0fcd81102833f60ef8d0e57288b6b5fb00323d101be910e35705"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==2.20"
+        },
+        "pygit2": {
+            "hashes": [
+                "sha256:0e1e02c28983ddc004c0f54063f3e46fca388225d468e32e16689cfb750e0bd6",
+                "sha256:2666a3970b2ea1222a9f0463b466f98c8d564f29ec84cf0a58d9b0d3865dbaaf",
+                "sha256:2fd5c1b2d84dc6084f1bda836607afe37e95186a53a5a827a69083415e57fe4f",
+                "sha256:454d42550fa6a6cd0e6a6ad9ab3f3262135fd157f57bad245ce156c36ee93370",
+                "sha256:4e75865d7b6fc161d93b16f10365eaad353cd546e302a98f2de2097ddea1066b",
+                "sha256:547429774c11f5bc9d20a49aa86e4bd13c90a55140504ef05f55cf424470ee34",
+                "sha256:7a0c0a1f11fd41f57e8c6c64d903cc7fa4ec95d15592270be3217ed7f78eb023",
+                "sha256:9c1d96c66fb6e69ec710078a73c19edff420bc1db430caa9e03a825eede3f25c",
+                "sha256:ac12d32b714c3383ebccffee5eb6aff0b69a2542a40a664fd5ad370afcb28ee7",
+                "sha256:af2fa259b6f7899227611ab978c600695724e85965836cb607d8b1e70cfea9b3",
+                "sha256:b0161a141888d450eb821472fdcdadd14a072ddeda841fee9984956d34d3e19d",
+                "sha256:b2de12ca2d3b7eb86106223b40b2edc0c61103c71e7962e53092c6ddef71a194",
+                "sha256:b9b88b7e9a5286a71be0b6c307f0523c9606aeedff6b61eb9c440e18817fa641",
+                "sha256:be4a64b6090308ffd1c82e2dd4316cb79483715387b13818156d516134a5b17c",
+                "sha256:c3303776f774d3e0115c1c4f6e1fc35470d15f113a7ae9401a0b90acfa1661ac",
+                "sha256:ce0827b77dd2f8a3465bdc181c4e65f27dd12dbd92635c038e58030cc90c2de0",
+                "sha256:dbbf66a23860aa899949068ac9b503b4bc21e6063e8f53870440adbdc909405e",
+                "sha256:e5dadc4844feb76cde5cc9a37656326a361dd8b5c8e8f8674dcd4a5ecf395db3",
+                "sha256:ef07458e4172a31318663295083b43f957d611145738ff56aa76db593542a6e8",
+                "sha256:f90775afb11f69376e2af21ab56fcfbb52f6bc84117059ddf0355f81e5e36352",
+                "sha256:fe682ed6afd2ab31127f6a502cf3e002dc1cc8d26c36a5d49dfd180250351eb6"
+            ],
+            "index": "pypi",
+            "version": "==1.6.1"
+        },
         "pyyaml": {
             "hashes": [
                 "sha256:08682f6b72c722394747bddaf0aa62277e02557c0fd1c42cb853016a38f8dedf",
@@ -272,7 +357,7 @@
                 "sha256:f0b278ce10936db1a37e6954e15a3730bea96a0997c26d7fee88e6c396c2086d",
                 "sha256:f11642dddbb0253cc8853254301b51390ba0081750a8ac03f20ea8103f0c56b6"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4.0'",
             "version": "==5.5"
         },
         "distlib": {