Bump Miniforge patch number to the latest released

Fix the CondaPackageHelper to handle cases when conda spec is expressed with two `=` signs instead of a single one.

base-notebook/Dockerfile

@@ -26,7 +26,7 @@ USER root
 # Conda version
 ARG conda_version="4.9.0"
 # Miniforge installer patch version
-ARG miniforge_patch_number="3"
+ARG miniforge_patch_number="4"
 # Miniforge installer architecture
 ARG miniforge_arch="x86_64"
 # Python implementation to use 
@@ -38,7 +38,7 @@ ARG miniforge_version="${conda_version}-${miniforge_patch_number}"
 # Miniforge installer
 ARG miniforge_installer="${miniforge_python}-${miniforge_version}-Linux-${miniforge_arch}.sh"
 # Miniforge checksum
-ARG miniforge_checksum="29f0eb17dd02aceb0dfd4dad2654e974b1699baed06ee6d350b0ab4a2ccf3d02"
+ARG miniforge_checksum="dae28a05f0fcfed0b47c66468e8434ab42cb1ff90de96540a506949cdecd2b5a"
 
 # Install all OS dependencies for notebook server that starts but lacks all
 # features (e.g., download as all possible file formats)

test/helpers.py

@@ -93,11 +93,11 @@ class CondaPackageHelper:
         # Since we only manage packages installed through conda here
         dependencies = filter(lambda x: isinstance(x, str), dependencies)
         packages_dict = dict()
-        for split in map(lambda x: x.split("=", 1), dependencies):
+        for split in map(lambda x: re.split("=?=", x), dependencies):
             # default values
             package = split[0]
             version = set()
-            # cheking if it's a proper version by testing if the first char is a digit
+            # checking if it's a proper version by testing if the first char is a digit
             if len(split) > 1:
                 if split[1][0].isdigit():
                     # package + version case