Added 'colorama' as Windows-only dependency

This is required for pytest coverage reports, and silently fails if not
available.

Pipfile

@@ -16,6 +16,7 @@ pyinstaller = "*"
 ipython = "*"
 mypy = "*"
 flamenco-worker = {editable = true,path = "."}
+colorama = {version = "*", sys_platform = "== 'win32'"}
 
 [requires]
 python_version = "3.7"

Pipfile.lock

 {
     "_meta": {
         "hash": {
-            "sha256": "6ef250171cb44a2b7fe43fbb18e252640bc8085fc2842099267c019829baf3e9"
+            "sha256": "22901245061593d39d78166c3a010f33508594b576f81da34f590f438dcba4ea"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -120,6 +120,15 @@
             ],
             "version": "==3.0.4"
         },
+        "colorama": {
+            "hashes": [
+                "sha256:05eed71e2e327246ad6b38c540c4a3117230b19679b875190486ddd2d721422d",
+                "sha256:f8ac84de7840f5b9c4e3347b3c1eaa50f7e49c2b07596221daec5edaabbd7c48"
+            ],
+            "index": "pypi",
+            "markers": "sys_platform == 'win32'",
+            "version": "==0.4.1"
+        },
         "coverage": {
             "hashes": [
                 "sha256:09e47c529ff77bf042ecfe858fb55c3e3eb97aac2c87f0349ab5a7efd6b3939f",
@@ -245,14 +254,6 @@
             ],
             "version": "==2018.8.8"
         },
-        "pexpect": {
-            "hashes": [
-                "sha256:2a8e88259839571d1251d278476f3eec5db26deb73a70be5ed5dc5435e418aba",
-                "sha256:3fbd41d4caf27fa4a377bfd16fef87271099463e6fa73e92a52f92dfee5d425b"
-            ],
-            "markers": "sys_platform != 'win32'",
-            "version": "==4.6.0"
-        },
         "pickleshare": {
             "hashes": [
                 "sha256:87683d47965c1da65cdacaf31c8441d12b8044cdec9aca500cd78fc2c683afca",
@@ -275,13 +276,6 @@
             ],
             "version": "==2.0.7"
         },
-        "ptyprocess": {
-            "hashes": [
-                "sha256:923f299cc5ad920c68f2bc0bc98b75b9f838b93b599941a6b63ddbc2476394c0",
-                "sha256:d7cc528d76e76342423ca640335bd3633420dc1366f258cb31d05e865ef5ca1f"
-            ],
-            "version": "==0.6.0"
-        },
         "py": {
             "hashes": [
                 "sha256:bf92637198836372b520efcba9e020c330123be8ce527e535d185ed4b6f45694",
@@ -319,6 +313,13 @@
             "index": "pypi",
             "version": "==2.6.1"
         },
+        "pywin32-ctypes": {
+            "hashes": [
+                "sha256:24ffc3b341d457d48e8922352130cf2644024a4ff09762a2261fd34c36ee5942",
+                "sha256:9dc2d991b3479cc2df15930958b674a48a227d5361d413827a4cfd0b5876fc98"
+            ],
+            "version": "==0.2.0"
+        },
         "requests": {
             "hashes": [
                 "sha256:502a824f31acdacb3a35b6690b5fbf0bc41d63a24a45c4004352b0242707598e",