diff --git a/py/.vscode/settings.json b/py/.vscode/settings.json
new file mode 100644
index 0000000..f776680
--- /dev/null
+++ b/py/.vscode/settings.json
@@ -0,0 +1,9 @@
+{
+  "files.exclude": {
+    "**/.git": true,
+    "**/.DS_Store": true,
+    "**/*.pyc": true,
+    "**/__pycache__": true
+  },
+  "python.pythonPath": "~/.local/share/virtualenvs/py-H3fe-p_n/bin/python"
+}
\ No newline at end of file

diff --git a/py/.vscode/settings.json b/py/.vscode/settings.json
new file mode 100644
index 0000000..f776680
--- /dev/null
+++ b/py/.vscode/settings.json
@@ -0,0 +1,9 @@
+{
+  "files.exclude": {
+    "**/.git": true,
+    "**/.DS_Store": true,
+    "**/*.pyc": true,
+    "**/__pycache__": true
+  },
+  "python.pythonPath": "~/.local/share/virtualenvs/py-H3fe-p_n/bin/python"
+}
\ No newline at end of file
diff --git a/py/Pipfile b/py/Pipfile
index 0c46ef9..be22fdc 100644
--- a/py/Pipfile
+++ b/py/Pipfile
@@ -1,9 +1,10 @@
 [[source]]
-name = "xcit.nback.markov.py"
-url = "https://github.com/xcit/nback.markov"
+name = 'pypi'
+url = 'https://pypi.python.org/simple'
 verify_ssl = true
 
 [dev-packages]
+pylint = "*"
 
 [packages]
 requests = "*"

diff --git a/py/.vscode/settings.json b/py/.vscode/settings.json
new file mode 100644
index 0000000..f776680
--- /dev/null
+++ b/py/.vscode/settings.json
@@ -0,0 +1,9 @@
+{
+  "files.exclude": {
+    "**/.git": true,
+    "**/.DS_Store": true,
+    "**/*.pyc": true,
+    "**/__pycache__": true
+  },
+  "python.pythonPath": "~/.local/share/virtualenvs/py-H3fe-p_n/bin/python"
+}
\ No newline at end of file
diff --git a/py/Pipfile b/py/Pipfile
index 0c46ef9..be22fdc 100644
--- a/py/Pipfile
+++ b/py/Pipfile
@@ -1,9 +1,10 @@
 [[source]]
-name = "xcit.nback.markov.py"
-url = "https://github.com/xcit/nback.markov"
+name = 'pypi'
+url = 'https://pypi.python.org/simple'
 verify_ssl = true
 
 [dev-packages]
+pylint = "*"
 
 [packages]
 requests = "*"
diff --git a/py/Pipfile.lock b/py/Pipfile.lock
index 247ee84..7705726 100644
--- a/py/Pipfile.lock
+++ b/py/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "bb57e0d7853b45999e47c163c46b95bc2fde31c527d8d7b5b5539dc979444a6d"
+            "sha256": "d6b06c358e3a82c0f18eeb9729511dfcbdfe6593ec78842704abe5a445182b84"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -10,7 +10,7 @@
         "sources": [
             {
                 "name": "pypi",
-                "url": "https://pypi.org/simple",
+                "url": "https://pypi.python.org/simple",
                 "verify_ssl": true
             }
         ]
@@ -53,5 +53,83 @@
             "version": "==1.24.1"
         }
     },
-    "develop": {}
+    "develop": {
+        "astroid": {
+            "hashes": [
+                "sha256:35b032003d6a863f5dcd7ec11abd5cd5893428beaa31ab164982403bcb311f22",
+                "sha256:6a5d668d7dc69110de01cdf7aeec69a679ef486862a0850cc0fd5571505b6b7e"
+            ],
+            "version": "==2.1.0"
+        },
+        "isort": {
+            "hashes": [
+                "sha256:1153601da39a25b14ddc54955dbbacbb6b2d19135386699e2ad58517953b34af",
+                "sha256:b9c40e9750f3d77e6e4d441d8b0266cf555e7cdabdcff33c4fd06366ca761ef8",
+                "sha256:ec9ef8f4a9bc6f71eec99e1806bfa2de401650d996c59330782b89a5555c1497"
+            ],
+            "version": "==4.3.4"
+        },
+        "lazy-object-proxy": {
+            "hashes": [
+                "sha256:0ce34342b419bd8f018e6666bfef729aec3edf62345a53b537a4dcc115746a33",
+                "sha256:1b668120716eb7ee21d8a38815e5eb3bb8211117d9a90b0f8e21722c0758cc39",
+                "sha256:209615b0fe4624d79e50220ce3310ca1a9445fd8e6d3572a896e7f9146bbf019",
+                "sha256:27bf62cb2b1a2068d443ff7097ee33393f8483b570b475db8ebf7e1cba64f088",
+                "sha256:27ea6fd1c02dcc78172a82fc37fcc0992a94e4cecf53cb6d73f11749825bd98b",
+                "sha256:2c1b21b44ac9beb0fc848d3993924147ba45c4ebc24be19825e57aabbe74a99e",
+                "sha256:2df72ab12046a3496a92476020a1a0abf78b2a7db9ff4dc2036b8dd980203ae6",
+                "sha256:320ffd3de9699d3892048baee45ebfbbf9388a7d65d832d7e580243ade426d2b",
+                "sha256:50e3b9a464d5d08cc5227413db0d1c4707b6172e4d4d915c1c70e4de0bbff1f5",
+                "sha256:5276db7ff62bb7b52f77f1f51ed58850e315154249aceb42e7f4c611f0f847ff",
+                "sha256:61a6cf00dcb1a7f0c773ed4acc509cb636af2d6337a08f362413c76b2b47a8dd",
+                "sha256:6ae6c4cb59f199d8827c5a07546b2ab7e85d262acaccaacd49b62f53f7c456f7",
+                "sha256:7661d401d60d8bf15bb5da39e4dd72f5d764c5aff5a86ef52a042506e3e970ff",
+                "sha256:7bd527f36a605c914efca5d3d014170b2cb184723e423d26b1fb2fd9108e264d",
+                "sha256:7cb54db3535c8686ea12e9535eb087d32421184eacc6939ef15ef50f83a5e7e2",
+                "sha256:7f3a2d740291f7f2c111d86a1c4851b70fb000a6c8883a59660d95ad57b9df35",
+                "sha256:81304b7d8e9c824d058087dcb89144842c8e0dea6d281c031f59f0acf66963d4",
+                "sha256:933947e8b4fbe617a51528b09851685138b49d511af0b6c0da2539115d6d4514",
+                "sha256:94223d7f060301b3a8c09c9b3bc3294b56b2188e7d8179c762a1cda72c979252",
+                "sha256:ab3ca49afcb47058393b0122428358d2fbe0408cf99f1b58b295cfeb4ed39109",
+                "sha256:bd6292f565ca46dee4e737ebcc20742e3b5be2b01556dafe169f6c65d088875f",
+                "sha256:cb924aa3e4a3fb644d0c463cad5bc2572649a6a3f68a7f8e4fbe44aaa6d77e4c",
+                "sha256:d0fc7a286feac9077ec52a927fc9fe8fe2fabab95426722be4c953c9a8bede92",
+                "sha256:ddc34786490a6e4ec0a855d401034cbd1242ef186c20d79d2166d6a4bd449577",
+                "sha256:e34b155e36fa9da7e1b7c738ed7767fc9491a62ec6af70fe9da4a057759edc2d",
+                "sha256:e5b9e8f6bda48460b7b143c3821b21b452cb3a835e6bbd5dd33aa0c8d3f5137d",
+                "sha256:e81ebf6c5ee9684be8f2c87563880f93eedd56dd2b6146d8a725b50b7e5adb0f",
+                "sha256:eb91be369f945f10d3a49f5f9be8b3d0b93a4c2be8f8a5b83b0571b8123e0a7a",
+                "sha256:f460d1ceb0e4a5dcb2a652db0904224f367c9b3c1470d5a7683c0480e582468b"
+            ],
+            "version": "==1.3.1"
+        },
+        "mccabe": {
+            "hashes": [
+                "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
+                "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"
+            ],
+            "version": "==0.6.1"
+        },
+        "pylint": {
+            "hashes": [
+                "sha256:689de29ae747642ab230c6d37be2b969bf75663176658851f456619aacf27492",
+                "sha256:771467c434d0d9f081741fec1d64dfb011ed26e65e12a28fe06ca2f61c4d556c"
+            ],
+            "index": "pypi",
+            "version": "==2.2.2"
+        },
+        "six": {
+            "hashes": [
+                "sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
+                "sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
+            ],
+            "version": "==1.12.0"
+        },
+        "wrapt": {
+            "hashes": [
+                "sha256:d4d560d479f2c21e1b5443bbd15fe7ec4b37fe7e53d335d3b9b0a7b1226fe3c6"
+            ],
+            "version": "==1.10.11"
+        }
+    }
 }